Home / 3,146.30-4,342.38-2,265.02

Finding the Fourth Proportional to 3,146.30, 4,342.38 and 2,265.02

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Solution

The fourth proportional to 3,146.30, 4,342.38 and 2,265.02 is: 3,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.30 : 4,342.38 = 2,265.02 : x
  2. Step 2: Convert to fraction form
    3,146.30/4,342.38 = 2,265.02/x
  3. Step 3: Cross multiply
    3,146.30x = 4,342.38 × 2,265.02
  4. Step 4: Simplify right side
    3,146.30x = 9,835,577.55
  5. Step 5: Solve for x
    x = 9,835,577.55/3,146.30
  6. Step 6: Final answer
    x = 3,126.08

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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.