Home / 3,148.16-4,344.58-1,731.90

Finding the Fourth Proportional to 3,148.16, 4,344.58 and 1,731.90

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Solution

The fourth proportional to 3,148.16, 4,344.58 and 1,731.90 is: 2,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.16 : 4,344.58 = 1,731.90 : x
  2. Step 2: Convert to fraction form
    3,148.16/4,344.58 = 1,731.90/x
  3. Step 3: Cross multiply
    3,148.16x = 4,344.58 × 1,731.90
  4. Step 4: Simplify right side
    3,148.16x = 7,524,378.10
  5. Step 5: Solve for x
    x = 7,524,378.10/3,148.16
  6. Step 6: Final answer
    x = 2,390.09

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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.