Home / 2,912.70-4,346.67-2,601.30

Finding the Fourth Proportional to 2,912.70, 4,346.67 and 2,601.30

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Solution

The fourth proportional to 2,912.70, 4,346.67 and 2,601.30 is: 3,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.70 : 4,346.67 = 2,601.30 : x
  2. Step 2: Convert to fraction form
    2,912.70/4,346.67 = 2,601.30/x
  3. Step 3: Cross multiply
    2,912.70x = 4,346.67 × 2,601.30
  4. Step 4: Simplify right side
    2,912.70x = 11,306,992.67
  5. Step 5: Solve for x
    x = 11,306,992.67/2,912.70
  6. Step 6: Final answer
    x = 3,881.96

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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.