Home / 2,729.76-3,766.88-1,550.84

Finding the Fourth Proportional to 2,729.76, 3,766.88 and 1,550.84

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Solution

The fourth proportional to 2,729.76, 3,766.88 and 1,550.84 is: 2,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.76 : 3,766.88 = 1,550.84 : x
  2. Step 2: Convert to fraction form
    2,729.76/3,766.88 = 1,550.84/x
  3. Step 3: Cross multiply
    2,729.76x = 3,766.88 × 1,550.84
  4. Step 4: Simplify right side
    2,729.76x = 5,841,828.18
  5. Step 5: Solve for x
    x = 5,841,828.18/2,729.76
  6. Step 6: Final answer
    x = 2,140.05

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1.5x scale

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.