Home / 1,494.03-2,061.77-821.87

Finding the Fourth Proportional to 1,494.03, 2,061.77 and 821.87

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Solution

The fourth proportional to 1,494.03, 2,061.77 and 821.87 is: 1,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.03 : 2,061.77 = 821.87 : x
  2. Step 2: Convert to fraction form
    1,494.03/2,061.77 = 821.87/x
  3. Step 3: Cross multiply
    1,494.03x = 2,061.77 × 821.87
  4. Step 4: Simplify right side
    1,494.03x = 1,694,498.66
  5. Step 5: Solve for x
    x = 1,694,498.66/1,494.03
  6. Step 6: Final answer
    x = 1,134.18

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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.