Home / 2,969.57-4,098.30-1,790.62

Finding the Fourth Proportional to 2,969.57, 4,098.30 and 1,790.62

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Solution

The fourth proportional to 2,969.57, 4,098.30 and 1,790.62 is: 2,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.57 : 4,098.30 = 1,790.62 : x
  2. Step 2: Convert to fraction form
    2,969.57/4,098.30 = 1,790.62/x
  3. Step 3: Cross multiply
    2,969.57x = 4,098.30 × 1,790.62
  4. Step 4: Simplify right side
    2,969.57x = 7,338,480.99
  5. Step 5: Solve for x
    x = 7,338,480.99/2,969.57
  6. Step 6: Final answer
    x = 2,471.22

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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.