Home / 1,475.13-2,211.28-550.06

Finding the Fourth Proportional to 1,475.13, 2,211.28 and 550.06

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Solution

The fourth proportional to 1,475.13, 2,211.28 and 550.06 is: 824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.13 : 2,211.28 = 550.06 : x
  2. Step 2: Convert to fraction form
    1,475.13/2,211.28 = 550.06/x
  3. Step 3: Cross multiply
    1,475.13x = 2,211.28 × 550.06
  4. Step 4: Simplify right side
    1,475.13x = 1,216,336.68
  5. Step 5: Solve for x
    x = 1,216,336.68/1,475.13
  6. Step 6: Final answer
    x = 824.56

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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.