Home / 1,948.33-2,686.98-1,724.46

Finding the Fourth Proportional to 1,948.33, 2,686.98 and 1,724.46

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Solution

The fourth proportional to 1,948.33, 2,686.98 and 1,724.46 is: 2,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.33 : 2,686.98 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    1,948.33/2,686.98 = 1,724.46/x
  3. Step 3: Cross multiply
    1,948.33x = 2,686.98 × 1,724.46
  4. Step 4: Simplify right side
    1,948.33x = 4,633,589.53
  5. Step 5: Solve for x
    x = 4,633,589.53/1,948.33
  6. Step 6: Final answer
    x = 2,378.24

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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.