Home / 3,348.40-5,020.08-1,616.56

Finding the Fourth Proportional to 3,348.40, 5,020.08 and 1,616.56

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Solution

The fourth proportional to 3,348.40, 5,020.08 and 1,616.56 is: 2,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.40 : 5,020.08 = 1,616.56 : x
  2. Step 2: Convert to fraction form
    3,348.40/5,020.08 = 1,616.56/x
  3. Step 3: Cross multiply
    3,348.40x = 5,020.08 × 1,616.56
  4. Step 4: Simplify right side
    3,348.40x = 8,115,260.52
  5. Step 5: Solve for x
    x = 8,115,260.52/3,348.40
  6. Step 6: Final answer
    x = 2,423.62

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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.