Home / 3,581.67-4,944.96-2,920.08

Finding the Fourth Proportional to 3,581.67, 4,944.96 and 2,920.08

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Solution

The fourth proportional to 3,581.67, 4,944.96 and 2,920.08 is: 4,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.67 : 4,944.96 = 2,920.08 : x
  2. Step 2: Convert to fraction form
    3,581.67/4,944.96 = 2,920.08/x
  3. Step 3: Cross multiply
    3,581.67x = 4,944.96 × 2,920.08
  4. Step 4: Simplify right side
    3,581.67x = 14,439,678.80
  5. Step 5: Solve for x
    x = 14,439,678.80/3,581.67
  6. Step 6: Final answer
    x = 4,031.55

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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.