Home / 2,220.51-3,330.83-577.02

Finding the Fourth Proportional to 2,220.51, 3,330.83 and 577.02

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Solution

The fourth proportional to 2,220.51, 3,330.83 and 577.02 is: 865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.51 : 3,330.83 = 577.02 : x
  2. Step 2: Convert to fraction form
    2,220.51/3,330.83 = 577.02/x
  3. Step 3: Cross multiply
    2,220.51x = 3,330.83 × 577.02
  4. Step 4: Simplify right side
    2,220.51x = 1,921,952.64
  5. Step 5: Solve for x
    x = 1,921,952.64/2,220.51
  6. Step 6: Final answer
    x = 865.55

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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.