Home / 1,819.98-2,729.68-587.49

Finding the Fourth Proportional to 1,819.98, 2,729.68 and 587.49

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Solution

The fourth proportional to 1,819.98, 2,729.68 and 587.49 is: 881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.98 : 2,729.68 = 587.49 : x
  2. Step 2: Convert to fraction form
    1,819.98/2,729.68 = 587.49/x
  3. Step 3: Cross multiply
    1,819.98x = 2,729.68 × 587.49
  4. Step 4: Simplify right side
    1,819.98x = 1,603,659.70
  5. Step 5: Solve for x
    x = 1,603,659.70/1,819.98
  6. Step 6: Final answer
    x = 881.14

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1.5x scale

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.