Home / 3,108.18-4,288.14-1,849.29

Finding the Fourth Proportional to 3,108.18, 4,288.14 and 1,849.29

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Solution

The fourth proportional to 3,108.18, 4,288.14 and 1,849.29 is: 2,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.18 : 4,288.14 = 1,849.29 : x
  2. Step 2: Convert to fraction form
    3,108.18/4,288.14 = 1,849.29/x
  3. Step 3: Cross multiply
    3,108.18x = 4,288.14 × 1,849.29
  4. Step 4: Simplify right side
    3,108.18x = 7,930,014.42
  5. Step 5: Solve for x
    x = 7,930,014.42/3,108.18
  6. Step 6: Final answer
    x = 2,551.34

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Half scale
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Double 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.