Home / 2,397.18-3,309.91-2,358.91

Finding the Fourth Proportional to 2,397.18, 3,309.91 and 2,358.91

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Solution

The fourth proportional to 2,397.18, 3,309.91 and 2,358.91 is: 3,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.18 : 3,309.91 = 2,358.91 : x
  2. Step 2: Convert to fraction form
    2,397.18/3,309.91 = 2,358.91/x
  3. Step 3: Cross multiply
    2,397.18x = 3,309.91 × 2,358.91
  4. Step 4: Simplify right side
    2,397.18x = 7,807,763.25
  5. Step 5: Solve for x
    x = 7,807,763.25/2,397.18
  6. Step 6: Final answer
    x = 3,257.06

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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.