Home / 3,332.47-4,991.50-1,685.11

Finding the Fourth Proportional to 3,332.47, 4,991.50 and 1,685.11

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Solution

The fourth proportional to 3,332.47, 4,991.50 and 1,685.11 is: 2,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.47 : 4,991.50 = 1,685.11 : x
  2. Step 2: Convert to fraction form
    3,332.47/4,991.50 = 1,685.11/x
  3. Step 3: Cross multiply
    3,332.47x = 4,991.50 × 1,685.11
  4. Step 4: Simplify right side
    3,332.47x = 8,411,226.57
  5. Step 5: Solve for x
    x = 8,411,226.57/3,332.47
  6. Step 6: Final answer
    x = 2,524.02

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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.