Home / 3,132.78-4,684.80-2,302.40

Finding the Fourth Proportional to 3,132.78, 4,684.80 and 2,302.40

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Solution

The fourth proportional to 3,132.78, 4,684.80 and 2,302.40 is: 3,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.78 : 4,684.80 = 2,302.40 : x
  2. Step 2: Convert to fraction form
    3,132.78/4,684.80 = 2,302.40/x
  3. Step 3: Cross multiply
    3,132.78x = 4,684.80 × 2,302.40
  4. Step 4: Simplify right side
    3,132.78x = 10,786,283.52
  5. Step 5: Solve for x
    x = 10,786,283.52/3,132.78
  6. Step 6: Final answer
    x = 3,443.04

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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.