Home / 3,617.40-5,426.49-1,151.35

Finding the Fourth Proportional to 3,617.40, 5,426.49 and 1,151.35

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Solution

The fourth proportional to 3,617.40, 5,426.49 and 1,151.35 is: 1,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.40 : 5,426.49 = 1,151.35 : x
  2. Step 2: Convert to fraction form
    3,617.40/5,426.49 = 1,151.35/x
  3. Step 3: Cross multiply
    3,617.40x = 5,426.49 × 1,151.35
  4. Step 4: Simplify right side
    3,617.40x = 6,247,789.26
  5. Step 5: Solve for x
    x = 6,247,789.26/3,617.40
  6. Step 6: Final answer
    x = 1,727.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.