Home / 2,908.82-4,013.66-1,729.46

Finding the Fourth Proportional to 2,908.82, 4,013.66 and 1,729.46

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Solution

The fourth proportional to 2,908.82, 4,013.66 and 1,729.46 is: 2,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.82 : 4,013.66 = 1,729.46 : x
  2. Step 2: Convert to fraction form
    2,908.82/4,013.66 = 1,729.46/x
  3. Step 3: Cross multiply
    2,908.82x = 4,013.66 × 1,729.46
  4. Step 4: Simplify right side
    2,908.82x = 6,941,435.71
  5. Step 5: Solve for x
    x = 6,941,435.71/2,908.82
  6. Step 6: Final answer
    x = 2,386.34

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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.