Home / 3,164.20-4,366.02-2,721.40

Finding the Fourth Proportional to 3,164.20, 4,366.02 and 2,721.40

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Solution

The fourth proportional to 3,164.20, 4,366.02 and 2,721.40 is: 3,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.20 : 4,366.02 = 2,721.40 : x
  2. Step 2: Convert to fraction form
    3,164.20/4,366.02 = 2,721.40/x
  3. Step 3: Cross multiply
    3,164.20x = 4,366.02 × 2,721.40
  4. Step 4: Simplify right side
    3,164.20x = 11,881,686.83
  5. Step 5: Solve for x
    x = 11,881,686.83/3,164.20
  6. Step 6: Final answer
    x = 3,755.04

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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.