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Finding the Fourth Proportional to 2,607.74, 3,599.84 and 1,664.77

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Solution

The fourth proportional to 2,607.74, 3,599.84 and 1,664.77 is: 2,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.74 : 3,599.84 = 1,664.77 : x
  2. Step 2: Convert to fraction form
    2,607.74/3,599.84 = 1,664.77/x
  3. Step 3: Cross multiply
    2,607.74x = 3,599.84 × 1,664.77
  4. Step 4: Simplify right side
    2,607.74x = 5,992,905.64
  5. Step 5: Solve for x
    x = 5,992,905.64/2,607.74
  6. Step 6: Final answer
    x = 2,298.12

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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.