Home / 1,885.28-2,827.68-498.74

Finding the Fourth Proportional to 1,885.28, 2,827.68 and 498.74

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Solution

The fourth proportional to 1,885.28, 2,827.68 and 498.74 is: 748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.28 : 2,827.68 = 498.74 : x
  2. Step 2: Convert to fraction form
    1,885.28/2,827.68 = 498.74/x
  3. Step 3: Cross multiply
    1,885.28x = 2,827.68 × 498.74
  4. Step 4: Simplify right side
    1,885.28x = 1,410,262.98
  5. Step 5: Solve for x
    x = 1,410,262.98/1,885.28
  6. Step 6: Final answer
    x = 748.04

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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.