Home / 3,132.20-4,697.55-940.34

Finding the Fourth Proportional to 3,132.20, 4,697.55 and 940.34

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Solution

The fourth proportional to 3,132.20, 4,697.55 and 940.34 is: 1,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.20 : 4,697.55 = 940.34 : x
  2. Step 2: Convert to fraction form
    3,132.20/4,697.55 = 940.34/x
  3. Step 3: Cross multiply
    3,132.20x = 4,697.55 × 940.34
  4. Step 4: Simplify right side
    3,132.20x = 4,417,270.68
  5. Step 5: Solve for x
    x = 4,417,270.68/3,132.20
  6. Step 6: Final answer
    x = 1,410.28

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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.