Home / 3,180.74-4,772.33-1,537.16

Finding the Fourth Proportional to 3,180.74, 4,772.33 and 1,537.16

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Solution

The fourth proportional to 3,180.74, 4,772.33 and 1,537.16 is: 2,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.74 : 4,772.33 = 1,537.16 : x
  2. Step 2: Convert to fraction form
    3,180.74/4,772.33 = 1,537.16/x
  3. Step 3: Cross multiply
    3,180.74x = 4,772.33 × 1,537.16
  4. Step 4: Simplify right side
    3,180.74x = 7,335,827.10
  5. Step 5: Solve for x
    x = 7,335,827.10/3,180.74
  6. Step 6: Final answer
    x = 2,306.33

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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.