Home / 2,708.47-4,065.42-1,828.18

Finding the Fourth Proportional to 2,708.47, 4,065.42 and 1,828.18

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Solution

The fourth proportional to 2,708.47, 4,065.42 and 1,828.18 is: 2,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.47 : 4,065.42 = 1,828.18 : x
  2. Step 2: Convert to fraction form
    2,708.47/4,065.42 = 1,828.18/x
  3. Step 3: Cross multiply
    2,708.47x = 4,065.42 × 1,828.18
  4. Step 4: Simplify right side
    2,708.47x = 7,432,319.54
  5. Step 5: Solve for x
    x = 7,432,319.54/2,708.47
  6. Step 6: Final answer
    x = 2,744.10

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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.