Home / 3,280.61-4,526.29-2,021.87

Finding the Fourth Proportional to 3,280.61, 4,526.29 and 2,021.87

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Solution

The fourth proportional to 3,280.61, 4,526.29 and 2,021.87 is: 2,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.61 : 4,526.29 = 2,021.87 : x
  2. Step 2: Convert to fraction form
    3,280.61/4,526.29 = 2,021.87/x
  3. Step 3: Cross multiply
    3,280.61x = 4,526.29 × 2,021.87
  4. Step 4: Simplify right side
    3,280.61x = 9,151,569.96
  5. Step 5: Solve for x
    x = 9,151,569.96/3,280.61
  6. Step 6: Final answer
    x = 2,789.59

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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.