Home / 1,587.60-2,380.59-1,001.57

Finding the Fourth Proportional to 1,587.60, 2,380.59 and 1,001.57

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Solution

The fourth proportional to 1,587.60, 2,380.59 and 1,001.57 is: 1,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.60 : 2,380.59 = 1,001.57 : x
  2. Step 2: Convert to fraction form
    1,587.60/2,380.59 = 1,001.57/x
  3. Step 3: Cross multiply
    1,587.60x = 2,380.59 × 1,001.57
  4. Step 4: Simplify right side
    1,587.60x = 2,384,315.62
  5. Step 5: Solve for x
    x = 2,384,315.62/1,587.60
  6. Step 6: Final answer
    x = 1,501.84

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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.