Home / 1,587.91-2,376.69-1,436.35

Finding the Fourth Proportional to 1,587.91, 2,376.69 and 1,436.35

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Solution

The fourth proportional to 1,587.91, 2,376.69 and 1,436.35 is: 2,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.91 : 2,376.69 = 1,436.35 : x
  2. Step 2: Convert to fraction form
    1,587.91/2,376.69 = 1,436.35/x
  3. Step 3: Cross multiply
    1,587.91x = 2,376.69 × 1,436.35
  4. Step 4: Simplify right side
    1,587.91x = 3,413,758.68
  5. Step 5: Solve for x
    x = 3,413,758.68/1,587.91
  6. Step 6: Final answer
    x = 2,149.84

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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.