Home / 2,206.93-3,045.84-1,275.43

Finding the Fourth Proportional to 2,206.93, 3,045.84 and 1,275.43

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Solution

The fourth proportional to 2,206.93, 3,045.84 and 1,275.43 is: 1,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.93 : 3,045.84 = 1,275.43 : x
  2. Step 2: Convert to fraction form
    2,206.93/3,045.84 = 1,275.43/x
  3. Step 3: Cross multiply
    2,206.93x = 3,045.84 × 1,275.43
  4. Step 4: Simplify right side
    2,206.93x = 3,884,765.46
  5. Step 5: Solve for x
    x = 3,884,765.46/2,206.93
  6. Step 6: Final answer
    x = 1,760.25

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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.