Home / 2,432.80-3,646.32-1,131.58

Finding the Fourth Proportional to 2,432.80, 3,646.32 and 1,131.58

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Solution

The fourth proportional to 2,432.80, 3,646.32 and 1,131.58 is: 1,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.80 : 3,646.32 = 1,131.58 : x
  2. Step 2: Convert to fraction form
    2,432.80/3,646.32 = 1,131.58/x
  3. Step 3: Cross multiply
    2,432.80x = 3,646.32 × 1,131.58
  4. Step 4: Simplify right side
    2,432.80x = 4,126,102.79
  5. Step 5: Solve for x
    x = 4,126,102.79/2,432.80
  6. Step 6: Final answer
    x = 1,696.03

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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.