Home / 3,132.90-4,706.55-2,160.90

Finding the Fourth Proportional to 3,132.90, 4,706.55 and 2,160.90

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Solution

The fourth proportional to 3,132.90, 4,706.55 and 2,160.90 is: 3,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.90 : 4,706.55 = 2,160.90 : x
  2. Step 2: Convert to fraction form
    3,132.90/4,706.55 = 2,160.90/x
  3. Step 3: Cross multiply
    3,132.90x = 4,706.55 × 2,160.90
  4. Step 4: Simplify right side
    3,132.90x = 10,170,383.90
  5. Step 5: Solve for x
    x = 10,170,383.90/3,132.90
  6. Step 6: Final answer
    x = 3,246.32

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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.