Home / 1,755.25-2,421.40-1,046.68

Finding the Fourth Proportional to 1,755.25, 2,421.40 and 1,046.68

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Solution

The fourth proportional to 1,755.25, 2,421.40 and 1,046.68 is: 1,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.25 : 2,421.40 = 1,046.68 : x
  2. Step 2: Convert to fraction form
    1,755.25/2,421.40 = 1,046.68/x
  3. Step 3: Cross multiply
    1,755.25x = 2,421.40 × 1,046.68
  4. Step 4: Simplify right side
    1,755.25x = 2,534,430.95
  5. Step 5: Solve for x
    x = 2,534,430.95/1,755.25
  6. Step 6: Final answer
    x = 1,443.91

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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.