Home / 2,190.08-3,285.76-1,034.24

Finding the Fourth Proportional to 2,190.08, 3,285.76 and 1,034.24

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Solution

The fourth proportional to 2,190.08, 3,285.76 and 1,034.24 is: 1,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.08 : 3,285.76 = 1,034.24 : x
  2. Step 2: Convert to fraction form
    2,190.08/3,285.76 = 1,034.24/x
  3. Step 3: Cross multiply
    2,190.08x = 3,285.76 × 1,034.24
  4. Step 4: Simplify right side
    2,190.08x = 3,398,264.42
  5. Step 5: Solve for x
    x = 3,398,264.42/2,190.08
  6. Step 6: Final answer
    x = 1,551.66

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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.