Home / 2,362.42-3,543.02-1,129.60

Finding the Fourth Proportional to 2,362.42, 3,543.02 and 1,129.60

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Solution

The fourth proportional to 2,362.42, 3,543.02 and 1,129.60 is: 1,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.42 : 3,543.02 = 1,129.60 : x
  2. Step 2: Convert to fraction form
    2,362.42/3,543.02 = 1,129.60/x
  3. Step 3: Cross multiply
    2,362.42x = 3,543.02 × 1,129.60
  4. Step 4: Simplify right side
    2,362.42x = 4,002,195.39
  5. Step 5: Solve for x
    x = 4,002,195.39/2,362.42
  6. Step 6: Final answer
    x = 1,694.11

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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.