Home / 3,146.08-4,342.76-2,702.20

Finding the Fourth Proportional to 3,146.08, 4,342.76 and 2,702.20

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Solution

The fourth proportional to 3,146.08, 4,342.76 and 2,702.20 is: 3,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.08 : 4,342.76 = 2,702.20 : x
  2. Step 2: Convert to fraction form
    3,146.08/4,342.76 = 2,702.20/x
  3. Step 3: Cross multiply
    3,146.08x = 4,342.76 × 2,702.20
  4. Step 4: Simplify right side
    3,146.08x = 11,735,006.07
  5. Step 5: Solve for x
    x = 11,735,006.07/3,146.08
  6. Step 6: Final answer
    x = 3,730.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.