Home / 2,686.83-4,031.38-1,516.99

Finding the Fourth Proportional to 2,686.83, 4,031.38 and 1,516.99

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Solution

The fourth proportional to 2,686.83, 4,031.38 and 1,516.99 is: 2,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.83 : 4,031.38 = 1,516.99 : x
  2. Step 2: Convert to fraction form
    2,686.83/4,031.38 = 1,516.99/x
  3. Step 3: Cross multiply
    2,686.83x = 4,031.38 × 1,516.99
  4. Step 4: Simplify right side
    2,686.83x = 6,115,563.15
  5. Step 5: Solve for x
    x = 6,115,563.15/2,686.83
  6. Step 6: Final answer
    x = 2,276.13

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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.