Home / 1,499.14-2,247.85-458.87

Finding the Fourth Proportional to 1,499.14, 2,247.85 and 458.87

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Solution

The fourth proportional to 1,499.14, 2,247.85 and 458.87 is: 688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.14 : 2,247.85 = 458.87 : x
  2. Step 2: Convert to fraction form
    1,499.14/2,247.85 = 458.87/x
  3. Step 3: Cross multiply
    1,499.14x = 2,247.85 × 458.87
  4. Step 4: Simplify right side
    1,499.14x = 1,031,460.26
  5. Step 5: Solve for x
    x = 1,031,460.26/1,499.14
  6. Step 6: Final answer
    x = 688.03

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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.