Home / 3,606.90-5,410.76-1,142.48

Finding the Fourth Proportional to 3,606.90, 5,410.76 and 1,142.48

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Solution

The fourth proportional to 3,606.90, 5,410.76 and 1,142.48 is: 1,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.90 : 5,410.76 = 1,142.48 : x
  2. Step 2: Convert to fraction form
    3,606.90/5,410.76 = 1,142.48/x
  3. Step 3: Cross multiply
    3,606.90x = 5,410.76 × 1,142.48
  4. Step 4: Simplify right side
    3,606.90x = 6,181,685.08
  5. Step 5: Solve for x
    x = 6,181,685.08/3,606.90
  6. Step 6: Final answer
    x = 1,713.85

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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.