Home / 2,221.27-3,332.00-577.98

Finding the Fourth Proportional to 2,221.27, 3,332.00 and 577.98

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Solution

The fourth proportional to 2,221.27, 3,332.00 and 577.98 is: 867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.27 : 3,332.00 = 577.98 : x
  2. Step 2: Convert to fraction form
    2,221.27/3,332.00 = 577.98/x
  3. Step 3: Cross multiply
    2,221.27x = 3,332.00 × 577.98
  4. Step 4: Simplify right side
    2,221.27x = 1,925,830.80
  5. Step 5: Solve for x
    x = 1,925,830.80/2,221.27
  6. Step 6: Final answer
    x = 867.00

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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.