Home / 2,887.04-4,330.67-1,912.61

Finding the Fourth Proportional to 2,887.04, 4,330.67 and 1,912.61

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Solution

The fourth proportional to 2,887.04, 4,330.67 and 1,912.61 is: 2,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.04 : 4,330.67 = 1,912.61 : x
  2. Step 2: Convert to fraction form
    2,887.04/4,330.67 = 1,912.61/x
  3. Step 3: Cross multiply
    2,887.04x = 4,330.67 × 1,912.61
  4. Step 4: Simplify right side
    2,887.04x = 8,282,884.01
  5. Step 5: Solve for x
    x = 8,282,884.01/2,887.04
  6. Step 6: Final answer
    x = 2,868.99

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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.