Home / 2,397.40-3,308.50-1,349.56

Finding the Fourth Proportional to 2,397.40, 3,308.50 and 1,349.56

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Solution

The fourth proportional to 2,397.40, 3,308.50 and 1,349.56 is: 1,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.40 : 3,308.50 = 1,349.56 : x
  2. Step 2: Convert to fraction form
    2,397.40/3,308.50 = 1,349.56/x
  3. Step 3: Cross multiply
    2,397.40x = 3,308.50 × 1,349.56
  4. Step 4: Simplify right side
    2,397.40x = 4,465,019.26
  5. Step 5: Solve for x
    x = 4,465,019.26/2,397.40
  6. Step 6: Final answer
    x = 1,862.44

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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.