Home / 3,389.04-5,082.41-1,308.56

Finding the Fourth Proportional to 3,389.04, 5,082.41 and 1,308.56

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Solution

The fourth proportional to 3,389.04, 5,082.41 and 1,308.56 is: 1,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.04 : 5,082.41 = 1,308.56 : x
  2. Step 2: Convert to fraction form
    3,389.04/5,082.41 = 1,308.56/x
  3. Step 3: Cross multiply
    3,389.04x = 5,082.41 × 1,308.56
  4. Step 4: Simplify right side
    3,389.04x = 6,650,616.29
  5. Step 5: Solve for x
    x = 6,650,616.29/3,389.04
  6. Step 6: Final answer
    x = 1,962.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.