Home / 3,332.45-4,998.89-1,142.72

Finding the Fourth Proportional to 3,332.45, 4,998.89 and 1,142.72

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Solution

The fourth proportional to 3,332.45, 4,998.89 and 1,142.72 is: 1,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.45 : 4,998.89 = 1,142.72 : x
  2. Step 2: Convert to fraction form
    3,332.45/4,998.89 = 1,142.72/x
  3. Step 3: Cross multiply
    3,332.45x = 4,998.89 × 1,142.72
  4. Step 4: Simplify right side
    3,332.45x = 5,712,300.87
  5. Step 5: Solve for x
    x = 5,712,300.87/3,332.45
  6. Step 6: Final answer
    x = 1,714.14

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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.