Home / 2,282.23-3,149.58-1,442.63

Finding the Fourth Proportional to 2,282.23, 3,149.58 and 1,442.63

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Solution

The fourth proportional to 2,282.23, 3,149.58 and 1,442.63 is: 1,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.23 : 3,149.58 = 1,442.63 : x
  2. Step 2: Convert to fraction form
    2,282.23/3,149.58 = 1,442.63/x
  3. Step 3: Cross multiply
    2,282.23x = 3,149.58 × 1,442.63
  4. Step 4: Simplify right side
    2,282.23x = 4,543,685.00
  5. Step 5: Solve for x
    x = 4,543,685.00/2,282.23
  6. Step 6: Final answer
    x = 1,990.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.