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Finding the Fourth Proportional to 2,440.88, 3,661.37 and 881.00

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Solution

The fourth proportional to 2,440.88, 3,661.37 and 881.00 is: 1,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.88 : 3,661.37 = 881.00 : x
  2. Step 2: Convert to fraction form
    2,440.88/3,661.37 = 881.00/x
  3. Step 3: Cross multiply
    2,440.88x = 3,661.37 × 881.00
  4. Step 4: Simplify right side
    2,440.88x = 3,225,675.02
  5. Step 5: Solve for x
    x = 3,225,675.02/2,440.88
  6. Step 6: Final answer
    x = 1,321.52

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1.5x scale

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.