Home / 3,616.60-5,426.12-1,424.16

Finding the Fourth Proportional to 3,616.60, 5,426.12 and 1,424.16

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Solution

The fourth proportional to 3,616.60, 5,426.12 and 1,424.16 is: 2,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.60 : 5,426.12 = 1,424.16 : x
  2. Step 2: Convert to fraction form
    3,616.60/5,426.12 = 1,424.16/x
  3. Step 3: Cross multiply
    3,616.60x = 5,426.12 × 1,424.16
  4. Step 4: Simplify right side
    3,616.60x = 7,727,663.06
  5. Step 5: Solve for x
    x = 7,727,663.06/3,616.60
  6. Step 6: Final answer
    x = 2,136.72

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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.