Home / 2,320.15-3,201.65-1,325.47

Finding the Fourth Proportional to 2,320.15, 3,201.65 and 1,325.47

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Solution

The fourth proportional to 2,320.15, 3,201.65 and 1,325.47 is: 1,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.15 : 3,201.65 = 1,325.47 : x
  2. Step 2: Convert to fraction form
    2,320.15/3,201.65 = 1,325.47/x
  3. Step 3: Cross multiply
    2,320.15x = 3,201.65 × 1,325.47
  4. Step 4: Simplify right side
    2,320.15x = 4,243,691.03
  5. Step 5: Solve for x
    x = 4,243,691.03/2,320.15
  6. Step 6: Final answer
    x = 1,829.06

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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.