Home / 3,839.95-5,298.57-2,224.25

Finding the Fourth Proportional to 3,839.95, 5,298.57 and 2,224.25

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Solution

The fourth proportional to 3,839.95, 5,298.57 and 2,224.25 is: 3,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.95 : 5,298.57 = 2,224.25 : x
  2. Step 2: Convert to fraction form
    3,839.95/5,298.57 = 2,224.25/x
  3. Step 3: Cross multiply
    3,839.95x = 5,298.57 × 2,224.25
  4. Step 4: Simplify right side
    3,839.95x = 11,785,317.83
  5. Step 5: Solve for x
    x = 11,785,317.83/3,839.95
  6. Step 6: Final answer
    x = 3,069.14

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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.