Home / 2,345.60-3,234.24-2,083.20

Finding the Fourth Proportional to 2,345.60, 3,234.24 and 2,083.20

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Solution

The fourth proportional to 2,345.60, 3,234.24 and 2,083.20 is: 2,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.60 : 3,234.24 = 2,083.20 : x
  2. Step 2: Convert to fraction form
    2,345.60/3,234.24 = 2,083.20/x
  3. Step 3: Cross multiply
    2,345.60x = 3,234.24 × 2,083.20
  4. Step 4: Simplify right side
    2,345.60x = 6,737,568.77
  5. Step 5: Solve for x
    x = 6,737,568.77/2,345.60
  6. Step 6: Final answer
    x = 2,872.43

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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.