Home / 2,286.42-3,156.13-1,403.41

Finding the Fourth Proportional to 2,286.42, 3,156.13 and 1,403.41

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Solution

The fourth proportional to 2,286.42, 3,156.13 and 1,403.41 is: 1,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.42 : 3,156.13 = 1,403.41 : x
  2. Step 2: Convert to fraction form
    2,286.42/3,156.13 = 1,403.41/x
  3. Step 3: Cross multiply
    2,286.42x = 3,156.13 × 1,403.41
  4. Step 4: Simplify right side
    2,286.42x = 4,429,344.40
  5. Step 5: Solve for x
    x = 4,429,344.40/2,286.42
  6. Step 6: Final answer
    x = 1,937.24

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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.