Home / 2,286.93-3,155.95-1,292.53

Finding the Fourth Proportional to 2,286.93, 3,155.95 and 1,292.53

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Solution

The fourth proportional to 2,286.93, 3,155.95 and 1,292.53 is: 1,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.93 : 3,155.95 = 1,292.53 : x
  2. Step 2: Convert to fraction form
    2,286.93/3,155.95 = 1,292.53/x
  3. Step 3: Cross multiply
    2,286.93x = 3,155.95 × 1,292.53
  4. Step 4: Simplify right side
    2,286.93x = 4,079,160.05
  5. Step 5: Solve for x
    x = 4,079,160.05/2,286.93
  6. Step 6: Final answer
    x = 1,783.68

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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.