Home / 2,031.70-3,047.55-1,995.70

Finding the Fourth Proportional to 2,031.70, 3,047.55 and 1,995.70

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Solution

The fourth proportional to 2,031.70, 3,047.55 and 1,995.70 is: 2,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.70 : 3,047.55 = 1,995.70 : x
  2. Step 2: Convert to fraction form
    2,031.70/3,047.55 = 1,995.70/x
  3. Step 3: Cross multiply
    2,031.70x = 3,047.55 × 1,995.70
  4. Step 4: Simplify right side
    2,031.70x = 6,081,995.54
  5. Step 5: Solve for x
    x = 6,081,995.54/2,031.70
  6. Step 6: Final answer
    x = 2,993.55

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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.