Home / 2,719.52-3,750.72-1,671.20

Finding the Fourth Proportional to 2,719.52, 3,750.72 and 1,671.20

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Solution

The fourth proportional to 2,719.52, 3,750.72 and 1,671.20 is: 2,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.52 : 3,750.72 = 1,671.20 : x
  2. Step 2: Convert to fraction form
    2,719.52/3,750.72 = 1,671.20/x
  3. Step 3: Cross multiply
    2,719.52x = 3,750.72 × 1,671.20
  4. Step 4: Simplify right side
    2,719.52x = 6,268,203.26
  5. Step 5: Solve for x
    x = 6,268,203.26/2,719.52
  6. Step 6: Final answer
    x = 2,304.89

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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.