Home / 2,397.31-3,308.60-1,349.58

Finding the Fourth Proportional to 2,397.31, 3,308.60 and 1,349.58

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Solution

The fourth proportional to 2,397.31, 3,308.60 and 1,349.58 is: 1,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.31 : 3,308.60 = 1,349.58 : x
  2. Step 2: Convert to fraction form
    2,397.31/3,308.60 = 1,349.58/x
  3. Step 3: Cross multiply
    2,397.31x = 3,308.60 × 1,349.58
  4. Step 4: Simplify right side
    2,397.31x = 4,465,220.39
  5. Step 5: Solve for x
    x = 4,465,220.39/2,397.31
  6. Step 6: Final answer
    x = 1,862.60

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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.