Home / 2,339.79-3,228.73-1,344.88

Finding the Fourth Proportional to 2,339.79, 3,228.73 and 1,344.88

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Solution

The fourth proportional to 2,339.79, 3,228.73 and 1,344.88 is: 1,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.79 : 3,228.73 = 1,344.88 : x
  2. Step 2: Convert to fraction form
    2,339.79/3,228.73 = 1,344.88/x
  3. Step 3: Cross multiply
    2,339.79x = 3,228.73 × 1,344.88
  4. Step 4: Simplify right side
    2,339.79x = 4,342,254.40
  5. Step 5: Solve for x
    x = 4,342,254.40/2,339.79
  6. Step 6: Final answer
    x = 1,855.83

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1.5x scale

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.