Home / 2,220.66-3,062.53-1,433.88

Finding the Fourth Proportional to 2,220.66, 3,062.53 and 1,433.88

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Solution

The fourth proportional to 2,220.66, 3,062.53 and 1,433.88 is: 1,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.66 : 3,062.53 = 1,433.88 : x
  2. Step 2: Convert to fraction form
    2,220.66/3,062.53 = 1,433.88/x
  3. Step 3: Cross multiply
    2,220.66x = 3,062.53 × 1,433.88
  4. Step 4: Simplify right side
    2,220.66x = 4,391,278.03
  5. Step 5: Solve for x
    x = 4,391,278.03/2,220.66
  6. Step 6: Final answer
    x = 1,977.47

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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.