Home / 3,308.57-4,565.18-2,129.48

Finding the Fourth Proportional to 3,308.57, 4,565.18 and 2,129.48

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Solution

The fourth proportional to 3,308.57, 4,565.18 and 2,129.48 is: 2,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.57 : 4,565.18 = 2,129.48 : x
  2. Step 2: Convert to fraction form
    3,308.57/4,565.18 = 2,129.48/x
  3. Step 3: Cross multiply
    3,308.57x = 4,565.18 × 2,129.48
  4. Step 4: Simplify right side
    3,308.57x = 9,721,426.03
  5. Step 5: Solve for x
    x = 9,721,426.03/3,308.57
  6. Step 6: Final answer
    x = 2,938.26

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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.