Home / 4,288.50-5,916.84-2,399.90

Finding the Fourth Proportional to 4,288.50, 5,916.84 and 2,399.90

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Solution

The fourth proportional to 4,288.50, 5,916.84 and 2,399.90 is: 3,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.50 : 5,916.84 = 2,399.90 : x
  2. Step 2: Convert to fraction form
    4,288.50/5,916.84 = 2,399.90/x
  3. Step 3: Cross multiply
    4,288.50x = 5,916.84 × 2,399.90
  4. Step 4: Simplify right side
    4,288.50x = 14,199,824.32
  5. Step 5: Solve for x
    x = 14,199,824.32/4,288.50
  6. Step 6: Final answer
    x = 3,311.14

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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.