Home / 3,821.85-5,275.28-2,495.75

Finding the Fourth Proportional to 3,821.85, 5,275.28 and 2,495.75

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Solution

The fourth proportional to 3,821.85, 5,275.28 and 2,495.75 is: 3,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.85 : 5,275.28 = 2,495.75 : x
  2. Step 2: Convert to fraction form
    3,821.85/5,275.28 = 2,495.75/x
  3. Step 3: Cross multiply
    3,821.85x = 5,275.28 × 2,495.75
  4. Step 4: Simplify right side
    3,821.85x = 13,165,780.77
  5. Step 5: Solve for x
    x = 13,165,780.77/3,821.85
  6. Step 6: Final answer
    x = 3,444.87

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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.