Home / 1,819.74-2,729.16-587.28

Finding the Fourth Proportional to 1,819.74, 2,729.16 and 587.28

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Solution

The fourth proportional to 1,819.74, 2,729.16 and 587.28 is: 880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.74 : 2,729.16 = 587.28 : x
  2. Step 2: Convert to fraction form
    1,819.74/2,729.16 = 587.28/x
  3. Step 3: Cross multiply
    1,819.74x = 2,729.16 × 587.28
  4. Step 4: Simplify right side
    1,819.74x = 1,602,781.08
  5. Step 5: Solve for x
    x = 1,602,781.08/1,819.74
  6. Step 6: Final answer
    x = 880.77

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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.