Home / 2,382.90-3,587.26-2,144.76

Finding the Fourth Proportional to 2,382.90, 3,587.26 and 2,144.76

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Solution

The fourth proportional to 2,382.90, 3,587.26 and 2,144.76 is: 3,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.90 : 3,587.26 = 2,144.76 : x
  2. Step 2: Convert to fraction form
    2,382.90/3,587.26 = 2,144.76/x
  3. Step 3: Cross multiply
    2,382.90x = 3,587.26 × 2,144.76
  4. Step 4: Simplify right side
    2,382.90x = 7,693,811.76
  5. Step 5: Solve for x
    x = 7,693,811.76/2,382.90
  6. Step 6: Final answer
    x = 3,228.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.