Home / 2,861.17-4,284.23-2,302.90

Finding the Fourth Proportional to 2,861.17, 4,284.23 and 2,302.90

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Solution

The fourth proportional to 2,861.17, 4,284.23 and 2,302.90 is: 3,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.17 : 4,284.23 = 2,302.90 : x
  2. Step 2: Convert to fraction form
    2,861.17/4,284.23 = 2,302.90/x
  3. Step 3: Cross multiply
    2,861.17x = 4,284.23 × 2,302.90
  4. Step 4: Simplify right side
    2,861.17x = 9,866,141.75
  5. Step 5: Solve for x
    x = 9,866,141.75/2,861.17
  6. Step 6: Final answer
    x = 3,448.30

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1.5x scale

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.