Home / 2,146.57-3,219.13-848.05

Finding the Fourth Proportional to 2,146.57, 3,219.13 and 848.05

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Solution

The fourth proportional to 2,146.57, 3,219.13 and 848.05 is: 1,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.57 : 3,219.13 = 848.05 : x
  2. Step 2: Convert to fraction form
    2,146.57/3,219.13 = 848.05/x
  3. Step 3: Cross multiply
    2,146.57x = 3,219.13 × 848.05
  4. Step 4: Simplify right side
    2,146.57x = 2,729,962.86
  5. Step 5: Solve for x
    x = 2,729,962.86/2,146.57
  6. Step 6: Final answer
    x = 1,271.78

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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.