Home / 2,547.06-3,821.67-1,391.46

Finding the Fourth Proportional to 2,547.06, 3,821.67 and 1,391.46

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Solution

The fourth proportional to 2,547.06, 3,821.67 and 1,391.46 is: 2,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.06 : 3,821.67 = 1,391.46 : x
  2. Step 2: Convert to fraction form
    2,547.06/3,821.67 = 1,391.46/x
  3. Step 3: Cross multiply
    2,547.06x = 3,821.67 × 1,391.46
  4. Step 4: Simplify right side
    2,547.06x = 5,317,700.94
  5. Step 5: Solve for x
    x = 5,317,700.94/2,547.06
  6. Step 6: Final answer
    x = 2,087.78

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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.