Home / 2,800.29-4,197.64-1,158.22

Finding the Fourth Proportional to 2,800.29, 4,197.64 and 1,158.22

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Solution

The fourth proportional to 2,800.29, 4,197.64 and 1,158.22 is: 1,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.29 : 4,197.64 = 1,158.22 : x
  2. Step 2: Convert to fraction form
    2,800.29/4,197.64 = 1,158.22/x
  3. Step 3: Cross multiply
    2,800.29x = 4,197.64 × 1,158.22
  4. Step 4: Simplify right side
    2,800.29x = 4,861,790.60
  5. Step 5: Solve for x
    x = 4,861,790.60/2,800.29
  6. Step 6: Final answer
    x = 1,736.17

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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.