Home / 1,757.13-2,635.70-458.50

Finding the Fourth Proportional to 1,757.13, 2,635.70 and 458.50

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Solution

The fourth proportional to 1,757.13, 2,635.70 and 458.50 is: 687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.13 : 2,635.70 = 458.50 : x
  2. Step 2: Convert to fraction form
    1,757.13/2,635.70 = 458.50/x
  3. Step 3: Cross multiply
    1,757.13x = 2,635.70 × 458.50
  4. Step 4: Simplify right side
    1,757.13x = 1,208,468.45
  5. Step 5: Solve for x
    x = 1,208,468.45/1,757.13
  6. Step 6: Final answer
    x = 687.75

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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.