Home / 2,740.01-4,110.24-890.65

Finding the Fourth Proportional to 2,740.01, 4,110.24 and 890.65

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Solution

The fourth proportional to 2,740.01, 4,110.24 and 890.65 is: 1,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.01 : 4,110.24 = 890.65 : x
  2. Step 2: Convert to fraction form
    2,740.01/4,110.24 = 890.65/x
  3. Step 3: Cross multiply
    2,740.01x = 4,110.24 × 890.65
  4. Step 4: Simplify right side
    2,740.01x = 3,660,764.70
  5. Step 5: Solve for x
    x = 3,660,764.70/2,740.01
  6. Step 6: Final answer
    x = 1,336.04

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1.5x scale

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.