Home / 3,318.52-4,975.98-1,009.72

Finding the Fourth Proportional to 3,318.52, 4,975.98 and 1,009.72

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Solution

The fourth proportional to 3,318.52, 4,975.98 and 1,009.72 is: 1,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.52 : 4,975.98 = 1,009.72 : x
  2. Step 2: Convert to fraction form
    3,318.52/4,975.98 = 1,009.72/x
  3. Step 3: Cross multiply
    3,318.52x = 4,975.98 × 1,009.72
  4. Step 4: Simplify right side
    3,318.52x = 5,024,346.53
  5. Step 5: Solve for x
    x = 5,024,346.53/3,318.52
  6. Step 6: Final answer
    x = 1,514.03

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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.