Home / 1,543.09-2,127.33-1,044.94

Finding the Fourth Proportional to 1,543.09, 2,127.33 and 1,044.94

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Solution

The fourth proportional to 1,543.09, 2,127.33 and 1,044.94 is: 1,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.09 : 2,127.33 = 1,044.94 : x
  2. Step 2: Convert to fraction form
    1,543.09/2,127.33 = 1,044.94/x
  3. Step 3: Cross multiply
    1,543.09x = 2,127.33 × 1,044.94
  4. Step 4: Simplify right side
    1,543.09x = 2,222,932.21
  5. Step 5: Solve for x
    x = 2,222,932.21/1,543.09
  6. Step 6: Final answer
    x = 1,440.57

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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.