Home / 3,616.96-5,425.20-1,426.06

Finding the Fourth Proportional to 3,616.96, 5,425.20 and 1,426.06

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Solution

The fourth proportional to 3,616.96, 5,425.20 and 1,426.06 is: 2,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.96 : 5,425.20 = 1,426.06 : x
  2. Step 2: Convert to fraction form
    3,616.96/5,425.20 = 1,426.06/x
  3. Step 3: Cross multiply
    3,616.96x = 5,425.20 × 1,426.06
  4. Step 4: Simplify right side
    3,616.96x = 7,736,660.71
  5. Step 5: Solve for x
    x = 7,736,660.71/3,616.96
  6. Step 6: Final answer
    x = 2,139.00

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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.