Home / 2,603.14-3,903.34-1,781.65

Finding the Fourth Proportional to 2,603.14, 3,903.34 and 1,781.65

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Solution

The fourth proportional to 2,603.14, 3,903.34 and 1,781.65 is: 2,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.14 : 3,903.34 = 1,781.65 : x
  2. Step 2: Convert to fraction form
    2,603.14/3,903.34 = 1,781.65/x
  3. Step 3: Cross multiply
    2,603.14x = 3,903.34 × 1,781.65
  4. Step 4: Simplify right side
    2,603.14x = 6,954,367.52
  5. Step 5: Solve for x
    x = 6,954,367.52/2,603.14
  6. Step 6: Final answer
    x = 2,671.53

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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.