Home / 1,891.95-2,610.77-1,052.61

Finding the Fourth Proportional to 1,891.95, 2,610.77 and 1,052.61

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Solution

The fourth proportional to 1,891.95, 2,610.77 and 1,052.61 is: 1,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.95 : 2,610.77 = 1,052.61 : x
  2. Step 2: Convert to fraction form
    1,891.95/2,610.77 = 1,052.61/x
  3. Step 3: Cross multiply
    1,891.95x = 2,610.77 × 1,052.61
  4. Step 4: Simplify right side
    1,891.95x = 2,748,122.61
  5. Step 5: Solve for x
    x = 2,748,122.61/1,891.95
  6. Step 6: Final answer
    x = 1,452.53

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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.