Home / 1,925.39-2,872.97-1,807.84

Finding the Fourth Proportional to 1,925.39, 2,872.97 and 1,807.84

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Solution

The fourth proportional to 1,925.39, 2,872.97 and 1,807.84 is: 2,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.39 : 2,872.97 = 1,807.84 : x
  2. Step 2: Convert to fraction form
    1,925.39/2,872.97 = 1,807.84/x
  3. Step 3: Cross multiply
    1,925.39x = 2,872.97 × 1,807.84
  4. Step 4: Simplify right side
    1,925.39x = 5,193,867.42
  5. Step 5: Solve for x
    x = 5,193,867.42/1,925.39
  6. Step 6: Final answer
    x = 2,697.56

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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.