Home / 2,630.28-3,630.21-1,568.17

Finding the Fourth Proportional to 2,630.28, 3,630.21 and 1,568.17

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Solution

The fourth proportional to 2,630.28, 3,630.21 and 1,568.17 is: 2,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.28 : 3,630.21 = 1,568.17 : x
  2. Step 2: Convert to fraction form
    2,630.28/3,630.21 = 1,568.17/x
  3. Step 3: Cross multiply
    2,630.28x = 3,630.21 × 1,568.17
  4. Step 4: Simplify right side
    2,630.28x = 5,692,778.57
  5. Step 5: Solve for x
    x = 5,692,778.57/2,630.28
  6. Step 6: Final answer
    x = 2,164.33

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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.