Home / 2,686.63-4,031.46-1,043.29

Finding the Fourth Proportional to 2,686.63, 4,031.46 and 1,043.29

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Solution

The fourth proportional to 2,686.63, 4,031.46 and 1,043.29 is: 1,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.63 : 4,031.46 = 1,043.29 : x
  2. Step 2: Convert to fraction form
    2,686.63/4,031.46 = 1,043.29/x
  3. Step 3: Cross multiply
    2,686.63x = 4,031.46 × 1,043.29
  4. Step 4: Simplify right side
    2,686.63x = 4,205,981.90
  5. Step 5: Solve for x
    x = 4,205,981.90/2,686.63
  6. Step 6: Final answer
    x = 1,565.52

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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.