Home / 2,523.96-3,785.98-1,287.88

Finding the Fourth Proportional to 2,523.96, 3,785.98 and 1,287.88

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Solution

The fourth proportional to 2,523.96, 3,785.98 and 1,287.88 is: 1,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.96 : 3,785.98 = 1,287.88 : x
  2. Step 2: Convert to fraction form
    2,523.96/3,785.98 = 1,287.88/x
  3. Step 3: Cross multiply
    2,523.96x = 3,785.98 × 1,287.88
  4. Step 4: Simplify right side
    2,523.96x = 4,875,887.92
  5. Step 5: Solve for x
    x = 4,875,887.92/2,523.96
  6. Step 6: Final answer
    x = 1,931.84

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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.