Home / 3,117.26-4,675.90-2,927.18

Finding the Fourth Proportional to 3,117.26, 4,675.90 and 2,927.18

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Solution

The fourth proportional to 3,117.26, 4,675.90 and 2,927.18 is: 4,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.26 : 4,675.90 = 2,927.18 : x
  2. Step 2: Convert to fraction form
    3,117.26/4,675.90 = 2,927.18/x
  3. Step 3: Cross multiply
    3,117.26x = 4,675.90 × 2,927.18
  4. Step 4: Simplify right side
    3,117.26x = 13,687,200.96
  5. Step 5: Solve for x
    x = 13,687,200.96/3,117.26
  6. Step 6: Final answer
    x = 4,390.78

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1.5x scale

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.