Home / 2,177.48-3,264.55-1,081.00

Finding the Fourth Proportional to 2,177.48, 3,264.55 and 1,081.00

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Solution

The fourth proportional to 2,177.48, 3,264.55 and 1,081.00 is: 1,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.48 : 3,264.55 = 1,081.00 : x
  2. Step 2: Convert to fraction form
    2,177.48/3,264.55 = 1,081.00/x
  3. Step 3: Cross multiply
    2,177.48x = 3,264.55 × 1,081.00
  4. Step 4: Simplify right side
    2,177.48x = 3,528,967.69
  5. Step 5: Solve for x
    x = 3,528,967.69/2,177.48
  6. Step 6: Final answer
    x = 1,620.66

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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.