Home / 3,441-4,748.58-1,948.76

Finding the Fourth Proportional to 3,441, 4,748.58 and 1,948.76

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Solution

The fourth proportional to 3,441, 4,748.58 and 1,948.76 is: 2,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441 : 4,748.58 = 1,948.76 : x
  2. Step 2: Convert to fraction form
    3,441/4,748.58 = 1,948.76/x
  3. Step 3: Cross multiply
    3,441x = 4,748.58 × 1,948.76
  4. Step 4: Simplify right side
    3,441x = 9,253,842.76
  5. Step 5: Solve for x
    x = 9,253,842.76/3,441
  6. Step 6: Final answer
    x = 2,689.29

Related Problems

Find fourth proportional to 1,720.50, 2,374.29 and 974.38
Half scale
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Double scale
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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.