Home / 1,925.11-2,656.89-1,179.57

Finding the Fourth Proportional to 1,925.11, 2,656.89 and 1,179.57

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Solution

The fourth proportional to 1,925.11, 2,656.89 and 1,179.57 is: 1,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.11 : 2,656.89 = 1,179.57 : x
  2. Step 2: Convert to fraction form
    1,925.11/2,656.89 = 1,179.57/x
  3. Step 3: Cross multiply
    1,925.11x = 2,656.89 × 1,179.57
  4. Step 4: Simplify right side
    1,925.11x = 3,133,987.74
  5. Step 5: Solve for x
    x = 3,133,987.74/1,925.11
  6. Step 6: Final answer
    x = 1,627.95

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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.