Home / 3,254.71-4,490.29-2,136.27

Finding the Fourth Proportional to 3,254.71, 4,490.29 and 2,136.27

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Solution

The fourth proportional to 3,254.71, 4,490.29 and 2,136.27 is: 2,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.71 : 4,490.29 = 2,136.27 : x
  2. Step 2: Convert to fraction form
    3,254.71/4,490.29 = 2,136.27/x
  3. Step 3: Cross multiply
    3,254.71x = 4,490.29 × 2,136.27
  4. Step 4: Simplify right side
    3,254.71x = 9,592,471.82
  5. Step 5: Solve for x
    x = 9,592,471.82/3,254.71
  6. Step 6: Final answer
    x = 2,947.26

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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.