Home / 3,388.84-4,676.58-1,896.76

Finding the Fourth Proportional to 3,388.84, 4,676.58 and 1,896.76

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Solution

The fourth proportional to 3,388.84, 4,676.58 and 1,896.76 is: 2,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.84 : 4,676.58 = 1,896.76 : x
  2. Step 2: Convert to fraction form
    3,388.84/4,676.58 = 1,896.76/x
  3. Step 3: Cross multiply
    3,388.84x = 4,676.58 × 1,896.76
  4. Step 4: Simplify right side
    3,388.84x = 8,870,349.88
  5. Step 5: Solve for x
    x = 8,870,349.88/3,388.84
  6. Step 6: Final answer
    x = 2,617.52

Related Problems

Find fourth proportional to 1,694.42, 2,338.29 and 948.38
Half scale
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Double scale
Find fourth proportional to 3,389.84, 4,677.96 and 1,897.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.