Home / 3,269.58-4,513.88-2,153.76

Finding the Fourth Proportional to 3,269.58, 4,513.88 and 2,153.76

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Solution

The fourth proportional to 3,269.58, 4,513.88 and 2,153.76 is: 2,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.58 : 4,513.88 = 2,153.76 : x
  2. Step 2: Convert to fraction form
    3,269.58/4,513.88 = 2,153.76/x
  3. Step 3: Cross multiply
    3,269.58x = 4,513.88 × 2,153.76
  4. Step 4: Simplify right side
    3,269.58x = 9,721,814.19
  5. Step 5: Solve for x
    x = 9,721,814.19/3,269.58
  6. Step 6: Final answer
    x = 2,973.41

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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.