Home / 1,819.51-2,729.80-586.89

Finding the Fourth Proportional to 1,819.51, 2,729.80 and 586.89

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Solution

The fourth proportional to 1,819.51, 2,729.80 and 586.89 is: 880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.51 : 2,729.80 = 586.89 : x
  2. Step 2: Convert to fraction form
    1,819.51/2,729.80 = 586.89/x
  3. Step 3: Cross multiply
    1,819.51x = 2,729.80 × 586.89
  4. Step 4: Simplify right side
    1,819.51x = 1,602,092.32
  5. Step 5: Solve for x
    x = 1,602,092.32/1,819.51
  6. Step 6: Final answer
    x = 880.51

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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.