Home / 1,474.35-2,219.55-1,273.47

Finding the Fourth Proportional to 1,474.35, 2,219.55 and 1,273.47

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Solution

The fourth proportional to 1,474.35, 2,219.55 and 1,273.47 is: 1,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.35 : 2,219.55 = 1,273.47 : x
  2. Step 2: Convert to fraction form
    1,474.35/2,219.55 = 1,273.47/x
  3. Step 3: Cross multiply
    1,474.35x = 2,219.55 × 1,273.47
  4. Step 4: Simplify right side
    1,474.35x = 2,826,530.34
  5. Step 5: Solve for x
    x = 2,826,530.34/1,474.35
  6. Step 6: Final answer
    x = 1,917.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.