Home / 2,320.47-3,201.75-1,325.48

Finding the Fourth Proportional to 2,320.47, 3,201.75 and 1,325.48

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Solution

The fourth proportional to 2,320.47, 3,201.75 and 1,325.48 is: 1,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.47 : 3,201.75 = 1,325.48 : x
  2. Step 2: Convert to fraction form
    2,320.47/3,201.75 = 1,325.48/x
  3. Step 3: Cross multiply
    2,320.47x = 3,201.75 × 1,325.48
  4. Step 4: Simplify right side
    2,320.47x = 4,243,839.58
  5. Step 5: Solve for x
    x = 4,243,839.58/2,320.47
  6. Step 6: Final answer
    x = 1,828.87

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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.