Home / 2,234.92-3,083.46-1,395.40

Finding the Fourth Proportional to 2,234.92, 3,083.46 and 1,395.40

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Solution

The fourth proportional to 2,234.92, 3,083.46 and 1,395.40 is: 1,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.92 : 3,083.46 = 1,395.40 : x
  2. Step 2: Convert to fraction form
    2,234.92/3,083.46 = 1,395.40/x
  3. Step 3: Cross multiply
    2,234.92x = 3,083.46 × 1,395.40
  4. Step 4: Simplify right side
    2,234.92x = 4,302,660.08
  5. Step 5: Solve for x
    x = 4,302,660.08/2,234.92
  6. Step 6: Final answer
    x = 1,925.20

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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.