Home / 2,431.85-3,630.11-2,260.94

Finding the Fourth Proportional to 2,431.85, 3,630.11 and 2,260.94

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Solution

The fourth proportional to 2,431.85, 3,630.11 and 2,260.94 is: 3,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.85 : 3,630.11 = 2,260.94 : x
  2. Step 2: Convert to fraction form
    2,431.85/3,630.11 = 2,260.94/x
  3. Step 3: Cross multiply
    2,431.85x = 3,630.11 × 2,260.94
  4. Step 4: Simplify right side
    2,431.85x = 8,207,431.45
  5. Step 5: Solve for x
    x = 8,207,431.45/2,431.85
  6. Step 6: Final answer
    x = 3,374.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.