Home / 2,686.43-4,029.47-1,597.72

Finding the Fourth Proportional to 2,686.43, 4,029.47 and 1,597.72

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Solution

The fourth proportional to 2,686.43, 4,029.47 and 1,597.72 is: 2,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.43 : 4,029.47 = 1,597.72 : x
  2. Step 2: Convert to fraction form
    2,686.43/4,029.47 = 1,597.72/x
  3. Step 3: Cross multiply
    2,686.43x = 4,029.47 × 1,597.72
  4. Step 4: Simplify right side
    2,686.43x = 6,437,944.66
  5. Step 5: Solve for x
    x = 6,437,944.66/2,686.43
  6. Step 6: Final answer
    x = 2,396.47

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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.