Home / 1,927.32-2,658.60-1,797.72

Finding the Fourth Proportional to 1,927.32, 2,658.60 and 1,797.72

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Solution

The fourth proportional to 1,927.32, 2,658.60 and 1,797.72 is: 2,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.32 : 2,658.60 = 1,797.72 : x
  2. Step 2: Convert to fraction form
    1,927.32/2,658.60 = 1,797.72/x
  3. Step 3: Cross multiply
    1,927.32x = 2,658.60 × 1,797.72
  4. Step 4: Simplify right side
    1,927.32x = 4,779,418.39
  5. Step 5: Solve for x
    x = 4,779,418.39/1,927.32
  6. Step 6: Final answer
    x = 2,479.83

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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.