Home / 3,502.04-5,254.12-1,280.81

Finding the Fourth Proportional to 3,502.04, 5,254.12 and 1,280.81

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Solution

The fourth proportional to 3,502.04, 5,254.12 and 1,280.81 is: 1,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.04 : 5,254.12 = 1,280.81 : x
  2. Step 2: Convert to fraction form
    3,502.04/5,254.12 = 1,280.81/x
  3. Step 3: Cross multiply
    3,502.04x = 5,254.12 × 1,280.81
  4. Step 4: Simplify right side
    3,502.04x = 6,729,536.97
  5. Step 5: Solve for x
    x = 6,729,536.97/3,502.04
  6. Step 6: Final answer
    x = 1,921.61

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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.