Home / 1,614.13-2,226.05-1,264.21

Finding the Fourth Proportional to 1,614.13, 2,226.05 and 1,264.21

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Solution

The fourth proportional to 1,614.13, 2,226.05 and 1,264.21 is: 1,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.13 : 2,226.05 = 1,264.21 : x
  2. Step 2: Convert to fraction form
    1,614.13/2,226.05 = 1,264.21/x
  3. Step 3: Cross multiply
    1,614.13x = 2,226.05 × 1,264.21
  4. Step 4: Simplify right side
    1,614.13x = 2,814,187.53
  5. Step 5: Solve for x
    x = 2,814,187.53/1,614.13
  6. Step 6: Final answer
    x = 1,743.47

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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.