Home / 1,944.15-2,681.90-1,235.61

Finding the Fourth Proportional to 1,944.15, 2,681.90 and 1,235.61

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Solution

The fourth proportional to 1,944.15, 2,681.90 and 1,235.61 is: 1,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.15 : 2,681.90 = 1,235.61 : x
  2. Step 2: Convert to fraction form
    1,944.15/2,681.90 = 1,235.61/x
  3. Step 3: Cross multiply
    1,944.15x = 2,681.90 × 1,235.61
  4. Step 4: Simplify right side
    1,944.15x = 3,313,782.46
  5. Step 5: Solve for x
    x = 3,313,782.46/1,944.15
  6. Step 6: Final answer
    x = 1,704.49

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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.