Home / 3,089.68-4,256-2,302.40

Finding the Fourth Proportional to 3,089.68, 4,256 and 2,302.40

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Solution

The fourth proportional to 3,089.68, 4,256 and 2,302.40 is: 3,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.68 : 4,256 = 2,302.40 : x
  2. Step 2: Convert to fraction form
    3,089.68/4,256 = 2,302.40/x
  3. Step 3: Cross multiply
    3,089.68x = 4,256 × 2,302.40
  4. Step 4: Simplify right side
    3,089.68x = 9,799,014.40
  5. Step 5: Solve for x
    x = 9,799,014.40/3,089.68
  6. Step 6: Final answer
    x = 3,171.53

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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.