Home / 1,927.32-2,886.30-1,742.64

Finding the Fourth Proportional to 1,927.32, 2,886.30 and 1,742.64

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Solution

The fourth proportional to 1,927.32, 2,886.30 and 1,742.64 is: 2,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.32 : 2,886.30 = 1,742.64 : x
  2. Step 2: Convert to fraction form
    1,927.32/2,886.30 = 1,742.64/x
  3. Step 3: Cross multiply
    1,927.32x = 2,886.30 × 1,742.64
  4. Step 4: Simplify right side
    1,927.32x = 5,029,781.83
  5. Step 5: Solve for x
    x = 5,029,781.83/1,927.32
  6. Step 6: Final answer
    x = 2,609.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.