Home / 3,898.23-5,377.69-2,834.35

Finding the Fourth Proportional to 3,898.23, 5,377.69 and 2,834.35

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Solution

The fourth proportional to 3,898.23, 5,377.69 and 2,834.35 is: 3,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.23 : 5,377.69 = 2,834.35 : x
  2. Step 2: Convert to fraction form
    3,898.23/5,377.69 = 2,834.35/x
  3. Step 3: Cross multiply
    3,898.23x = 5,377.69 × 2,834.35
  4. Step 4: Simplify right side
    3,898.23x = 15,242,248.57
  5. Step 5: Solve for x
    x = 15,242,248.57/3,898.23
  6. Step 6: Final answer
    x = 3,910.04

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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.