Home / 1,553.42-2,329.04-1,005.86

Finding the Fourth Proportional to 1,553.42, 2,329.04 and 1,005.86

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Solution

The fourth proportional to 1,553.42, 2,329.04 and 1,005.86 is: 1,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.42 : 2,329.04 = 1,005.86 : x
  2. Step 2: Convert to fraction form
    1,553.42/2,329.04 = 1,005.86/x
  3. Step 3: Cross multiply
    1,553.42x = 2,329.04 × 1,005.86
  4. Step 4: Simplify right side
    1,553.42x = 2,342,688.17
  5. Step 5: Solve for x
    x = 2,342,688.17/1,553.42
  6. Step 6: Final answer
    x = 1,508.08

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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.