Home / 1,819.08-2,727.55-997.13

Finding the Fourth Proportional to 1,819.08, 2,727.55 and 997.13

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Solution

The fourth proportional to 1,819.08, 2,727.55 and 997.13 is: 1,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.08 : 2,727.55 = 997.13 : x
  2. Step 2: Convert to fraction form
    1,819.08/2,727.55 = 997.13/x
  3. Step 3: Cross multiply
    1,819.08x = 2,727.55 × 997.13
  4. Step 4: Simplify right side
    1,819.08x = 2,719,721.93
  5. Step 5: Solve for x
    x = 2,719,721.93/1,819.08
  6. Step 6: Final answer
    x = 1,495.11

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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.