Home / 3,073.08-4,616.96-1,979.60

Finding the Fourth Proportional to 3,073.08, 4,616.96 and 1,979.60

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Solution

The fourth proportional to 3,073.08, 4,616.96 and 1,979.60 is: 2,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.08 : 4,616.96 = 1,979.60 : x
  2. Step 2: Convert to fraction form
    3,073.08/4,616.96 = 1,979.60/x
  3. Step 3: Cross multiply
    3,073.08x = 4,616.96 × 1,979.60
  4. Step 4: Simplify right side
    3,073.08x = 9,139,734.02
  5. Step 5: Solve for x
    x = 9,139,734.02/3,073.08
  6. Step 6: Final answer
    x = 2,974.13

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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.