Home / 2,180.79-3,271.23-793.26

Finding the Fourth Proportional to 2,180.79, 3,271.23 and 793.26

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Solution

The fourth proportional to 2,180.79, 3,271.23 and 793.26 is: 1,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.79 : 3,271.23 = 793.26 : x
  2. Step 2: Convert to fraction form
    2,180.79/3,271.23 = 793.26/x
  3. Step 3: Cross multiply
    2,180.79x = 3,271.23 × 793.26
  4. Step 4: Simplify right side
    2,180.79x = 2,594,935.91
  5. Step 5: Solve for x
    x = 2,594,935.91/2,180.79
  6. Step 6: Final answer
    x = 1,189.91

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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.