Home / 3,566.71-4,920.75-2,221.70

Finding the Fourth Proportional to 3,566.71, 4,920.75 and 2,221.70

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Solution

The fourth proportional to 3,566.71, 4,920.75 and 2,221.70 is: 3,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.71 : 4,920.75 = 2,221.70 : x
  2. Step 2: Convert to fraction form
    3,566.71/4,920.75 = 2,221.70/x
  3. Step 3: Cross multiply
    3,566.71x = 4,920.75 × 2,221.70
  4. Step 4: Simplify right side
    3,566.71x = 10,932,447.19
  5. Step 5: Solve for x
    x = 10,932,447.19/3,566.71
  6. Step 6: Final answer
    x = 3,065.14

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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.