Home / 2,146.80-3,217.14-846.75

Finding the Fourth Proportional to 2,146.80, 3,217.14 and 846.75

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Solution

The fourth proportional to 2,146.80, 3,217.14 and 846.75 is: 1,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.80 : 3,217.14 = 846.75 : x
  2. Step 2: Convert to fraction form
    2,146.80/3,217.14 = 846.75/x
  3. Step 3: Cross multiply
    2,146.80x = 3,217.14 × 846.75
  4. Step 4: Simplify right side
    2,146.80x = 2,724,113.30
  5. Step 5: Solve for x
    x = 2,724,113.30/2,146.80
  6. Step 6: Final answer
    x = 1,268.92

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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.