Home / 3,124.18-4,307.20-2,591.07

Finding the Fourth Proportional to 3,124.18, 4,307.20 and 2,591.07

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Solution

The fourth proportional to 3,124.18, 4,307.20 and 2,591.07 is: 3,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.18 : 4,307.20 = 2,591.07 : x
  2. Step 2: Convert to fraction form
    3,124.18/4,307.20 = 2,591.07/x
  3. Step 3: Cross multiply
    3,124.18x = 4,307.20 × 2,591.07
  4. Step 4: Simplify right side
    3,124.18x = 11,160,256.70
  5. Step 5: Solve for x
    x = 11,160,256.70/3,124.18
  6. Step 6: Final answer
    x = 3,572.22

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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.