Home / 2,599.36-3,897.86-1,680.82

Finding the Fourth Proportional to 2,599.36, 3,897.86 and 1,680.82

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Solution

The fourth proportional to 2,599.36, 3,897.86 and 1,680.82 is: 2,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.36 : 3,897.86 = 1,680.82 : x
  2. Step 2: Convert to fraction form
    2,599.36/3,897.86 = 1,680.82/x
  3. Step 3: Cross multiply
    2,599.36x = 3,897.86 × 1,680.82
  4. Step 4: Simplify right side
    2,599.36x = 6,551,582.90
  5. Step 5: Solve for x
    x = 6,551,582.90/2,599.36
  6. Step 6: Final answer
    x = 2,520.46

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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.