Home / 3,240.29-4,470-2,061.74

Finding the Fourth Proportional to 3,240.29, 4,470 and 2,061.74

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Solution

The fourth proportional to 3,240.29, 4,470 and 2,061.74 is: 2,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.29 : 4,470 = 2,061.74 : x
  2. Step 2: Convert to fraction form
    3,240.29/4,470 = 2,061.74/x
  3. Step 3: Cross multiply
    3,240.29x = 4,470 × 2,061.74
  4. Step 4: Simplify right side
    3,240.29x = 9,215,977.80
  5. Step 5: Solve for x
    x = 9,215,977.80/3,240.29
  6. Step 6: Final answer
    x = 2,844.18

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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.