Home / 2,315.32-3,472.17-1,436.47

Finding the Fourth Proportional to 2,315.32, 3,472.17 and 1,436.47

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Solution

The fourth proportional to 2,315.32, 3,472.17 and 1,436.47 is: 2,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.32 : 3,472.17 = 1,436.47 : x
  2. Step 2: Convert to fraction form
    2,315.32/3,472.17 = 1,436.47/x
  3. Step 3: Cross multiply
    2,315.32x = 3,472.17 × 1,436.47
  4. Step 4: Simplify right side
    2,315.32x = 4,987,653.97
  5. Step 5: Solve for x
    x = 4,987,653.97/2,315.32
  6. Step 6: Final answer
    x = 2,154.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.