Home / 2,190.08-3,262.20-2,182.40

Finding the Fourth Proportional to 2,190.08, 3,262.20 and 2,182.40

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Solution

The fourth proportional to 2,190.08, 3,262.20 and 2,182.40 is: 3,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.08 : 3,262.20 = 2,182.40 : x
  2. Step 2: Convert to fraction form
    2,190.08/3,262.20 = 2,182.40/x
  3. Step 3: Cross multiply
    2,190.08x = 3,262.20 × 2,182.40
  4. Step 4: Simplify right side
    2,190.08x = 7,119,425.28
  5. Step 5: Solve for x
    x = 7,119,425.28/2,190.08
  6. Step 6: Final answer
    x = 3,250.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.