Home / 2,861.19-4,284.50-2,397.87

Finding the Fourth Proportional to 2,861.19, 4,284.50 and 2,397.87

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Solution

The fourth proportional to 2,861.19, 4,284.50 and 2,397.87 is: 3,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.19 : 4,284.50 = 2,397.87 : x
  2. Step 2: Convert to fraction form
    2,861.19/4,284.50 = 2,397.87/x
  3. Step 3: Cross multiply
    2,861.19x = 4,284.50 × 2,397.87
  4. Step 4: Simplify right side
    2,861.19x = 10,273,662.03
  5. Step 5: Solve for x
    x = 10,273,662.03/2,861.19
  6. Step 6: Final answer
    x = 3,590.70

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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.