Home / 2,839.20-3,918.14-1,597.20

Finding the Fourth Proportional to 2,839.20, 3,918.14 and 1,597.20

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Solution

The fourth proportional to 2,839.20, 3,918.14 and 1,597.20 is: 2,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.20 : 3,918.14 = 1,597.20 : x
  2. Step 2: Convert to fraction form
    2,839.20/3,918.14 = 1,597.20/x
  3. Step 3: Cross multiply
    2,839.20x = 3,918.14 × 1,597.20
  4. Step 4: Simplify right side
    2,839.20x = 6,258,053.21
  5. Step 5: Solve for x
    x = 6,258,053.21/2,839.20
  6. Step 6: Final answer
    x = 2,204.16

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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.