Home / 2,686.58-4,031.45-1,453.95

Finding the Fourth Proportional to 2,686.58, 4,031.45 and 1,453.95

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Solution

The fourth proportional to 2,686.58, 4,031.45 and 1,453.95 is: 2,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.58 : 4,031.45 = 1,453.95 : x
  2. Step 2: Convert to fraction form
    2,686.58/4,031.45 = 1,453.95/x
  3. Step 3: Cross multiply
    2,686.58x = 4,031.45 × 1,453.95
  4. Step 4: Simplify right side
    2,686.58x = 5,861,519.46
  5. Step 5: Solve for x
    x = 5,861,519.46/2,686.58
  6. Step 6: Final answer
    x = 2,181.78

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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.