Home / 1,819.45-2,511.17-1,156.47

Finding the Fourth Proportional to 1,819.45, 2,511.17 and 1,156.47

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Solution

The fourth proportional to 1,819.45, 2,511.17 and 1,156.47 is: 1,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.45 : 2,511.17 = 1,156.47 : x
  2. Step 2: Convert to fraction form
    1,819.45/2,511.17 = 1,156.47/x
  3. Step 3: Cross multiply
    1,819.45x = 2,511.17 × 1,156.47
  4. Step 4: Simplify right side
    1,819.45x = 2,904,092.77
  5. Step 5: Solve for x
    x = 2,904,092.77/1,819.45
  6. Step 6: Final answer
    x = 1,596.14

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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.