Home / 1,974.18-2,724.71-1,177.55

Finding the Fourth Proportional to 1,974.18, 2,724.71 and 1,177.55

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Solution

The fourth proportional to 1,974.18, 2,724.71 and 1,177.55 is: 1,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.18 : 2,724.71 = 1,177.55 : x
  2. Step 2: Convert to fraction form
    1,974.18/2,724.71 = 1,177.55/x
  3. Step 3: Cross multiply
    1,974.18x = 2,724.71 × 1,177.55
  4. Step 4: Simplify right side
    1,974.18x = 3,208,482.26
  5. Step 5: Solve for x
    x = 3,208,482.26/1,974.18
  6. Step 6: Final answer
    x = 1,625.22

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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.