Home / 2,607.75-3,599.85-1,664.78

Finding the Fourth Proportional to 2,607.75, 3,599.85 and 1,664.78

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Solution

The fourth proportional to 2,607.75, 3,599.85 and 1,664.78 is: 2,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.75 : 3,599.85 = 1,664.78 : x
  2. Step 2: Convert to fraction form
    2,607.75/3,599.85 = 1,664.78/x
  3. Step 3: Cross multiply
    2,607.75x = 3,599.85 × 1,664.78
  4. Step 4: Simplify right side
    2,607.75x = 5,992,958.28
  5. Step 5: Solve for x
    x = 5,992,958.28/2,607.75
  6. Step 6: Final answer
    x = 2,298.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.