Home / 2,031.64-2,803.86-1,246.20

Finding the Fourth Proportional to 2,031.64, 2,803.86 and 1,246.20

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Solution

The fourth proportional to 2,031.64, 2,803.86 and 1,246.20 is: 1,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.64 : 2,803.86 = 1,246.20 : x
  2. Step 2: Convert to fraction form
    2,031.64/2,803.86 = 1,246.20/x
  3. Step 3: Cross multiply
    2,031.64x = 2,803.86 × 1,246.20
  4. Step 4: Simplify right side
    2,031.64x = 3,494,170.33
  5. Step 5: Solve for x
    x = 3,494,170.33/2,031.64
  6. Step 6: Final answer
    x = 1,719.88

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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.