Home / 2,550.15-3,827.10-1,898.91

Finding the Fourth Proportional to 2,550.15, 3,827.10 and 1,898.91

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Solution

The fourth proportional to 2,550.15, 3,827.10 and 1,898.91 is: 2,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.15 : 3,827.10 = 1,898.91 : x
  2. Step 2: Convert to fraction form
    2,550.15/3,827.10 = 1,898.91/x
  3. Step 3: Cross multiply
    2,550.15x = 3,827.10 × 1,898.91
  4. Step 4: Simplify right side
    2,550.15x = 7,267,318.46
  5. Step 5: Solve for x
    x = 7,267,318.46/2,550.15
  6. Step 6: Final answer
    x = 2,849.76

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Half scale
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Double scale
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Similar ratio
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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.