Home / 4,301.70-6,452.55-2,919.30

Finding the Fourth Proportional to 4,301.70, 6,452.55 and 2,919.30

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Solution

The fourth proportional to 4,301.70, 6,452.55 and 2,919.30 is: 4,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.70 : 6,452.55 = 2,919.30 : x
  2. Step 2: Convert to fraction form
    4,301.70/6,452.55 = 2,919.30/x
  3. Step 3: Cross multiply
    4,301.70x = 6,452.55 × 2,919.30
  4. Step 4: Simplify right side
    4,301.70x = 18,836,929.22
  5. Step 5: Solve for x
    x = 18,836,929.22/4,301.70
  6. Step 6: Final answer
    x = 4,378.95

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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.