Home / 1,332.51-2,008.74-1,243.31

Finding the Fourth Proportional to 1,332.51, 2,008.74 and 1,243.31

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Solution

The fourth proportional to 1,332.51, 2,008.74 and 1,243.31 is: 1,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.51 : 2,008.74 = 1,243.31 : x
  2. Step 2: Convert to fraction form
    1,332.51/2,008.74 = 1,243.31/x
  3. Step 3: Cross multiply
    1,332.51x = 2,008.74 × 1,243.31
  4. Step 4: Simplify right side
    1,332.51x = 2,497,486.53
  5. Step 5: Solve for x
    x = 2,497,486.53/1,332.51
  6. Step 6: Final answer
    x = 1,874.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.