Home / 2,628.62-3,935.98-1,587.24

Finding the Fourth Proportional to 2,628.62, 3,935.98 and 1,587.24

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Solution

The fourth proportional to 2,628.62, 3,935.98 and 1,587.24 is: 2,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.62 : 3,935.98 = 1,587.24 : x
  2. Step 2: Convert to fraction form
    2,628.62/3,935.98 = 1,587.24/x
  3. Step 3: Cross multiply
    2,628.62x = 3,935.98 × 1,587.24
  4. Step 4: Simplify right side
    2,628.62x = 6,247,344.90
  5. Step 5: Solve for x
    x = 6,247,344.90/2,628.62
  6. Step 6: Final answer
    x = 2,376.66

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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.