Home / 3,292.25-4,937.40-1,317.87

Finding the Fourth Proportional to 3,292.25, 4,937.40 and 1,317.87

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Solution

The fourth proportional to 3,292.25, 4,937.40 and 1,317.87 is: 1,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.25 : 4,937.40 = 1,317.87 : x
  2. Step 2: Convert to fraction form
    3,292.25/4,937.40 = 1,317.87/x
  3. Step 3: Cross multiply
    3,292.25x = 4,937.40 × 1,317.87
  4. Step 4: Simplify right side
    3,292.25x = 6,506,851.34
  5. Step 5: Solve for x
    x = 6,506,851.34/3,292.25
  6. Step 6: Final answer
    x = 1,976.42

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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.