Home / 2,221.36-3,332.17-577.94

Finding the Fourth Proportional to 2,221.36, 3,332.17 and 577.94

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Solution

The fourth proportional to 2,221.36, 3,332.17 and 577.94 is: 866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.36 : 3,332.17 = 577.94 : x
  2. Step 2: Convert to fraction form
    2,221.36/3,332.17 = 577.94/x
  3. Step 3: Cross multiply
    2,221.36x = 3,332.17 × 577.94
  4. Step 4: Simplify right side
    2,221.36x = 1,925,778.39
  5. Step 5: Solve for x
    x = 1,925,778.39/2,221.36
  6. Step 6: Final answer
    x = 866.94

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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.