Home / 2,870.20-4,299.60-2,251

Finding the Fourth Proportional to 2,870.20, 4,299.60 and 2,251

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Solution

The fourth proportional to 2,870.20, 4,299.60 and 2,251 is: 3,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.20 : 4,299.60 = 2,251 : x
  2. Step 2: Convert to fraction form
    2,870.20/4,299.60 = 2,251/x
  3. Step 3: Cross multiply
    2,870.20x = 4,299.60 × 2,251
  4. Step 4: Simplify right side
    2,870.20x = 9,678,399.60
  5. Step 5: Solve for x
    x = 9,678,399.60/2,870.20
  6. Step 6: Final answer
    x = 3,372.03

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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.