Home / 2,433.74-3,358.78-1,385.86

Finding the Fourth Proportional to 2,433.74, 3,358.78 and 1,385.86

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Solution

The fourth proportional to 2,433.74, 3,358.78 and 1,385.86 is: 1,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.74 : 3,358.78 = 1,385.86 : x
  2. Step 2: Convert to fraction form
    2,433.74/3,358.78 = 1,385.86/x
  3. Step 3: Cross multiply
    2,433.74x = 3,358.78 × 1,385.86
  4. Step 4: Simplify right side
    2,433.74x = 4,654,798.85
  5. Step 5: Solve for x
    x = 4,654,798.85/2,433.74
  6. Step 6: Final answer
    x = 1,912.61

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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.