Home / 2,861.26-3,948.12-1,602.14

Finding the Fourth Proportional to 2,861.26, 3,948.12 and 1,602.14

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Solution

The fourth proportional to 2,861.26, 3,948.12 and 1,602.14 is: 2,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.26 : 3,948.12 = 1,602.14 : x
  2. Step 2: Convert to fraction form
    2,861.26/3,948.12 = 1,602.14/x
  3. Step 3: Cross multiply
    2,861.26x = 3,948.12 × 1,602.14
  4. Step 4: Simplify right side
    2,861.26x = 6,325,440.98
  5. Step 5: Solve for x
    x = 6,325,440.98/2,861.26
  6. Step 6: Final answer
    x = 2,210.72

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1.5x scale

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.