Home / 2,175.52-3,002.85-1,325.08

Finding the Fourth Proportional to 2,175.52, 3,002.85 and 1,325.08

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Solution

The fourth proportional to 2,175.52, 3,002.85 and 1,325.08 is: 1,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.52 : 3,002.85 = 1,325.08 : x
  2. Step 2: Convert to fraction form
    2,175.52/3,002.85 = 1,325.08/x
  3. Step 3: Cross multiply
    2,175.52x = 3,002.85 × 1,325.08
  4. Step 4: Simplify right side
    2,175.52x = 3,979,016.48
  5. Step 5: Solve for x
    x = 3,979,016.48/2,175.52
  6. Step 6: Final answer
    x = 1,829.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.