Home / 2,432.85-3,356.56-1,438.47

Finding the Fourth Proportional to 2,432.85, 3,356.56 and 1,438.47

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Solution

The fourth proportional to 2,432.85, 3,356.56 and 1,438.47 is: 1,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.85 : 3,356.56 = 1,438.47 : x
  2. Step 2: Convert to fraction form
    2,432.85/3,356.56 = 1,438.47/x
  3. Step 3: Cross multiply
    2,432.85x = 3,356.56 × 1,438.47
  4. Step 4: Simplify right side
    2,432.85x = 4,828,310.86
  5. Step 5: Solve for x
    x = 4,828,310.86/2,432.85
  6. Step 6: Final answer
    x = 1,984.63

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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.