Home / 1,882.20-2,600.39-1,295.86

Finding the Fourth Proportional to 1,882.20, 2,600.39 and 1,295.86

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Solution

The fourth proportional to 1,882.20, 2,600.39 and 1,295.86 is: 1,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.20 : 2,600.39 = 1,295.86 : x
  2. Step 2: Convert to fraction form
    1,882.20/2,600.39 = 1,295.86/x
  3. Step 3: Cross multiply
    1,882.20x = 2,600.39 × 1,295.86
  4. Step 4: Simplify right side
    1,882.20x = 3,369,734.91
  5. Step 5: Solve for x
    x = 3,369,734.91/1,882.20
  6. Step 6: Final answer
    x = 1,790.32

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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.