Home / 2,908.06-4,015.08-1,729.52

Finding the Fourth Proportional to 2,908.06, 4,015.08 and 1,729.52

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Solution

The fourth proportional to 2,908.06, 4,015.08 and 1,729.52 is: 2,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.06 : 4,015.08 = 1,729.52 : x
  2. Step 2: Convert to fraction form
    2,908.06/4,015.08 = 1,729.52/x
  3. Step 3: Cross multiply
    2,908.06x = 4,015.08 × 1,729.52
  4. Step 4: Simplify right side
    2,908.06x = 6,944,161.16
  5. Step 5: Solve for x
    x = 6,944,161.16/2,908.06
  6. Step 6: Final answer
    x = 2,387.90

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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.