Home / 2,344.30-3,516.40-612.92

Finding the Fourth Proportional to 2,344.30, 3,516.40 and 612.92

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Solution

The fourth proportional to 2,344.30, 3,516.40 and 612.92 is: 919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.30 : 3,516.40 = 612.92 : x
  2. Step 2: Convert to fraction form
    2,344.30/3,516.40 = 612.92/x
  3. Step 3: Cross multiply
    2,344.30x = 3,516.40 × 612.92
  4. Step 4: Simplify right side
    2,344.30x = 2,155,271.89
  5. Step 5: Solve for x
    x = 2,155,271.89/2,344.30
  6. Step 6: Final answer
    x = 919.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.