Home / 1,944.72-2,685.16-1,246.48

Finding the Fourth Proportional to 1,944.72, 2,685.16 and 1,246.48

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Solution

The fourth proportional to 1,944.72, 2,685.16 and 1,246.48 is: 1,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.72 : 2,685.16 = 1,246.48 : x
  2. Step 2: Convert to fraction form
    1,944.72/2,685.16 = 1,246.48/x
  3. Step 3: Cross multiply
    1,944.72x = 2,685.16 × 1,246.48
  4. Step 4: Simplify right side
    1,944.72x = 3,346,998.24
  5. Step 5: Solve for x
    x = 3,346,998.24/1,944.72
  6. Step 6: Final answer
    x = 1,721.07

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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.