Home / 2,197.26-3,032.61-1,313.16

Finding the Fourth Proportional to 2,197.26, 3,032.61 and 1,313.16

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Solution

The fourth proportional to 2,197.26, 3,032.61 and 1,313.16 is: 1,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.26 : 3,032.61 = 1,313.16 : x
  2. Step 2: Convert to fraction form
    2,197.26/3,032.61 = 1,313.16/x
  3. Step 3: Cross multiply
    2,197.26x = 3,032.61 × 1,313.16
  4. Step 4: Simplify right side
    2,197.26x = 3,982,302.15
  5. Step 5: Solve for x
    x = 3,982,302.15/2,197.26
  6. Step 6: Final answer
    x = 1,812.39

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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.