Home / 1,834.18-2,531.13-994.85

Finding the Fourth Proportional to 1,834.18, 2,531.13 and 994.85

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Solution

The fourth proportional to 1,834.18, 2,531.13 and 994.85 is: 1,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.18 : 2,531.13 = 994.85 : x
  2. Step 2: Convert to fraction form
    1,834.18/2,531.13 = 994.85/x
  3. Step 3: Cross multiply
    1,834.18x = 2,531.13 × 994.85
  4. Step 4: Simplify right side
    1,834.18x = 2,518,094.40
  5. Step 5: Solve for x
    x = 2,518,094.40/1,834.18
  6. Step 6: Final answer
    x = 1,372.87

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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.