Home / 1,498.91-2,247.43-1,305.73

Finding the Fourth Proportional to 1,498.91, 2,247.43 and 1,305.73

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Solution

The fourth proportional to 1,498.91, 2,247.43 and 1,305.73 is: 1,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.91 : 2,247.43 = 1,305.73 : x
  2. Step 2: Convert to fraction form
    1,498.91/2,247.43 = 1,305.73/x
  3. Step 3: Cross multiply
    1,498.91x = 2,247.43 × 1,305.73
  4. Step 4: Simplify right side
    1,498.91x = 2,934,536.77
  5. Step 5: Solve for x
    x = 2,934,536.77/1,498.91
  6. Step 6: Final answer
    x = 1,957.78

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1.5x scale

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.