Home / 2,392.13-3,587.50-1,005.78

Finding the Fourth Proportional to 2,392.13, 3,587.50 and 1,005.78

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Solution

The fourth proportional to 2,392.13, 3,587.50 and 1,005.78 is: 1,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.13 : 3,587.50 = 1,005.78 : x
  2. Step 2: Convert to fraction form
    2,392.13/3,587.50 = 1,005.78/x
  3. Step 3: Cross multiply
    2,392.13x = 3,587.50 × 1,005.78
  4. Step 4: Simplify right side
    2,392.13x = 3,608,235.75
  5. Step 5: Solve for x
    x = 3,608,235.75/2,392.13
  6. Step 6: Final answer
    x = 1,508.38

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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.