Home / 1,881.17-2,819.02-1,334.42

Finding the Fourth Proportional to 1,881.17, 2,819.02 and 1,334.42

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Solution

The fourth proportional to 1,881.17, 2,819.02 and 1,334.42 is: 1,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.17 : 2,819.02 = 1,334.42 : x
  2. Step 2: Convert to fraction form
    1,881.17/2,819.02 = 1,334.42/x
  3. Step 3: Cross multiply
    1,881.17x = 2,819.02 × 1,334.42
  4. Step 4: Simplify right side
    1,881.17x = 3,761,756.67
  5. Step 5: Solve for x
    x = 3,761,756.67/1,881.17
  6. Step 6: Final answer
    x = 1,999.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.