Home / 2,758.60-4,134.64-1,371.52

Finding the Fourth Proportional to 2,758.60, 4,134.64 and 1,371.52

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Solution

The fourth proportional to 2,758.60, 4,134.64 and 1,371.52 is: 2,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.60 : 4,134.64 = 1,371.52 : x
  2. Step 2: Convert to fraction form
    2,758.60/4,134.64 = 1,371.52/x
  3. Step 3: Cross multiply
    2,758.60x = 4,134.64 × 1,371.52
  4. Step 4: Simplify right side
    2,758.60x = 5,670,741.45
  5. Step 5: Solve for x
    x = 5,670,741.45/2,758.60
  6. Step 6: Final answer
    x = 2,055.66

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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.