Home / 1,587.83-2,379.04-1,124.84

Finding the Fourth Proportional to 1,587.83, 2,379.04 and 1,124.84

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Solution

The fourth proportional to 1,587.83, 2,379.04 and 1,124.84 is: 1,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.83 : 2,379.04 = 1,124.84 : x
  2. Step 2: Convert to fraction form
    1,587.83/2,379.04 = 1,124.84/x
  3. Step 3: Cross multiply
    1,587.83x = 2,379.04 × 1,124.84
  4. Step 4: Simplify right side
    1,587.83x = 2,676,033.73
  5. Step 5: Solve for x
    x = 2,676,033.73/1,587.83
  6. Step 6: Final answer
    x = 1,685.34

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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.