Home / 1,755.11-2,421.23-1,046.56

Finding the Fourth Proportional to 1,755.11, 2,421.23 and 1,046.56

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Solution

The fourth proportional to 1,755.11, 2,421.23 and 1,046.56 is: 1,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.11 : 2,421.23 = 1,046.56 : x
  2. Step 2: Convert to fraction form
    1,755.11/2,421.23 = 1,046.56/x
  3. Step 3: Cross multiply
    1,755.11x = 2,421.23 × 1,046.56
  4. Step 4: Simplify right side
    1,755.11x = 2,533,959.03
  5. Step 5: Solve for x
    x = 2,533,959.03/1,755.11
  6. Step 6: Final answer
    x = 1,443.76

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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.