Home / 2,182.90-3,011.23-1,623.85

Finding the Fourth Proportional to 2,182.90, 3,011.23 and 1,623.85

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Solution

The fourth proportional to 2,182.90, 3,011.23 and 1,623.85 is: 2,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.90 : 3,011.23 = 1,623.85 : x
  2. Step 2: Convert to fraction form
    2,182.90/3,011.23 = 1,623.85/x
  3. Step 3: Cross multiply
    2,182.90x = 3,011.23 × 1,623.85
  4. Step 4: Simplify right side
    2,182.90x = 4,889,771.20
  5. Step 5: Solve for x
    x = 4,889,771.20/2,182.90
  6. Step 6: Final answer
    x = 2,240.04

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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.