Home / 1,944.18-2,681.97-1,355.22

Finding the Fourth Proportional to 1,944.18, 2,681.97 and 1,355.22

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Solution

The fourth proportional to 1,944.18, 2,681.97 and 1,355.22 is: 1,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.18 : 2,681.97 = 1,355.22 : x
  2. Step 2: Convert to fraction form
    1,944.18/2,681.97 = 1,355.22/x
  3. Step 3: Cross multiply
    1,944.18x = 2,681.97 × 1,355.22
  4. Step 4: Simplify right side
    1,944.18x = 3,634,659.38
  5. Step 5: Solve for x
    x = 3,634,659.38/1,944.18
  6. Step 6: Final answer
    x = 1,869.51

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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.