Home / 2,195.74-3,031.38-1,451.86

Finding the Fourth Proportional to 2,195.74, 3,031.38 and 1,451.86

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Solution

The fourth proportional to 2,195.74, 3,031.38 and 1,451.86 is: 2,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.74 : 3,031.38 = 1,451.86 : x
  2. Step 2: Convert to fraction form
    2,195.74/3,031.38 = 1,451.86/x
  3. Step 3: Cross multiply
    2,195.74x = 3,031.38 × 1,451.86
  4. Step 4: Simplify right side
    2,195.74x = 4,401,134.01
  5. Step 5: Solve for x
    x = 4,401,134.01/2,195.74
  6. Step 6: Final answer
    x = 2,004.39

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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.