Home / 2,407.10-3,321.81-1,344.85

Finding the Fourth Proportional to 2,407.10, 3,321.81 and 1,344.85

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Solution

The fourth proportional to 2,407.10, 3,321.81 and 1,344.85 is: 1,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.10 : 3,321.81 = 1,344.85 : x
  2. Step 2: Convert to fraction form
    2,407.10/3,321.81 = 1,344.85/x
  3. Step 3: Cross multiply
    2,407.10x = 3,321.81 × 1,344.85
  4. Step 4: Simplify right side
    2,407.10x = 4,467,346.56
  5. Step 5: Solve for x
    x = 4,467,346.56/2,407.10
  6. Step 6: Final answer
    x = 1,855.90

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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.