Home / 1,819.56-2,511.28-1,023.22

Finding the Fourth Proportional to 1,819.56, 2,511.28 and 1,023.22

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Solution

The fourth proportional to 1,819.56, 2,511.28 and 1,023.22 is: 1,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.56 : 2,511.28 = 1,023.22 : x
  2. Step 2: Convert to fraction form
    1,819.56/2,511.28 = 1,023.22/x
  3. Step 3: Cross multiply
    1,819.56x = 2,511.28 × 1,023.22
  4. Step 4: Simplify right side
    1,819.56x = 2,569,591.92
  5. Step 5: Solve for x
    x = 2,569,591.92/1,819.56
  6. Step 6: Final answer
    x = 1,412.21

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1.5x scale

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.