Home / 1,610.81-2,225-1,332.17

Finding the Fourth Proportional to 1,610.81, 2,225 and 1,332.17

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Solution

The fourth proportional to 1,610.81, 2,225 and 1,332.17 is: 1,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.81 : 2,225 = 1,332.17 : x
  2. Step 2: Convert to fraction form
    1,610.81/2,225 = 1,332.17/x
  3. Step 3: Cross multiply
    1,610.81x = 2,225 × 1,332.17
  4. Step 4: Simplify right side
    1,610.81x = 2,964,078.25
  5. Step 5: Solve for x
    x = 2,964,078.25/1,610.81
  6. Step 6: Final answer
    x = 1,840.12

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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.