Home / 2,197.32-3,033.19-1,312.96

Finding the Fourth Proportional to 2,197.32, 3,033.19 and 1,312.96

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Solution

The fourth proportional to 2,197.32, 3,033.19 and 1,312.96 is: 1,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.32 : 3,033.19 = 1,312.96 : x
  2. Step 2: Convert to fraction form
    2,197.32/3,033.19 = 1,312.96/x
  3. Step 3: Cross multiply
    2,197.32x = 3,033.19 × 1,312.96
  4. Step 4: Simplify right side
    2,197.32x = 3,982,450.58
  5. Step 5: Solve for x
    x = 3,982,450.58/2,197.32
  6. Step 6: Final answer
    x = 1,812.41

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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.