Home / 2,045.50-2,822.62-1,149.19

Finding the Fourth Proportional to 2,045.50, 2,822.62 and 1,149.19

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Solution

The fourth proportional to 2,045.50, 2,822.62 and 1,149.19 is: 1,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.50 : 2,822.62 = 1,149.19 : x
  2. Step 2: Convert to fraction form
    2,045.50/2,822.62 = 1,149.19/x
  3. Step 3: Cross multiply
    2,045.50x = 2,822.62 × 1,149.19
  4. Step 4: Simplify right side
    2,045.50x = 3,243,726.35
  5. Step 5: Solve for x
    x = 3,243,726.35/2,045.50
  6. Step 6: Final answer
    x = 1,585.79

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Half scale
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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.