Home / 2,587.57-3,882.91-944.28

Finding the Fourth Proportional to 2,587.57, 3,882.91 and 944.28

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Solution

The fourth proportional to 2,587.57, 3,882.91 and 944.28 is: 1,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.57 : 3,882.91 = 944.28 : x
  2. Step 2: Convert to fraction form
    2,587.57/3,882.91 = 944.28/x
  3. Step 3: Cross multiply
    2,587.57x = 3,882.91 × 944.28
  4. Step 4: Simplify right side
    2,587.57x = 3,666,567.24
  5. Step 5: Solve for x
    x = 3,666,567.24/2,587.57
  6. Step 6: Final answer
    x = 1,416.99

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1.5x scale

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.