Home / 3,820.13-5,270.98-2,495.78

Finding the Fourth Proportional to 3,820.13, 5,270.98 and 2,495.78

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Solution

The fourth proportional to 3,820.13, 5,270.98 and 2,495.78 is: 3,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.13 : 5,270.98 = 2,495.78 : x
  2. Step 2: Convert to fraction form
    3,820.13/5,270.98 = 2,495.78/x
  3. Step 3: Cross multiply
    3,820.13x = 5,270.98 × 2,495.78
  4. Step 4: Simplify right side
    3,820.13x = 13,155,193.99
  5. Step 5: Solve for x
    x = 13,155,193.99/3,820.13
  6. Step 6: Final answer
    x = 3,443.65

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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.