Home / 2,400.24-3,602.20-939.76

Finding the Fourth Proportional to 2,400.24, 3,602.20 and 939.76

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Solution

The fourth proportional to 2,400.24, 3,602.20 and 939.76 is: 1,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.24 : 3,602.20 = 939.76 : x
  2. Step 2: Convert to fraction form
    2,400.24/3,602.20 = 939.76/x
  3. Step 3: Cross multiply
    2,400.24x = 3,602.20 × 939.76
  4. Step 4: Simplify right side
    2,400.24x = 3,385,203.47
  5. Step 5: Solve for x
    x = 3,385,203.47/2,400.24
  6. Step 6: Final answer
    x = 1,410.36

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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.