Home / 1,417.25-2,125.36-492.56

Finding the Fourth Proportional to 1,417.25, 2,125.36 and 492.56

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Solution

The fourth proportional to 1,417.25, 2,125.36 and 492.56 is: 738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.25 : 2,125.36 = 492.56 : x
  2. Step 2: Convert to fraction form
    1,417.25/2,125.36 = 492.56/x
  3. Step 3: Cross multiply
    1,417.25x = 2,125.36 × 492.56
  4. Step 4: Simplify right side
    1,417.25x = 1,046,867.32
  5. Step 5: Solve for x
    x = 1,046,867.32/1,417.25
  6. Step 6: Final answer
    x = 738.66

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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.