Home / 1,925.11-2,873.74-1,691.57

Finding the Fourth Proportional to 1,925.11, 2,873.74 and 1,691.57

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Solution

The fourth proportional to 1,925.11, 2,873.74 and 1,691.57 is: 2,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.11 : 2,873.74 = 1,691.57 : x
  2. Step 2: Convert to fraction form
    1,925.11/2,873.74 = 1,691.57/x
  3. Step 3: Cross multiply
    1,925.11x = 2,873.74 × 1,691.57
  4. Step 4: Simplify right side
    1,925.11x = 4,861,127.09
  5. Step 5: Solve for x
    x = 4,861,127.09/1,925.11
  6. Step 6: Final answer
    x = 2,525.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.