Home / 2,655.90-3,664.62-1,607.94

Finding the Fourth Proportional to 2,655.90, 3,664.62 and 1,607.94

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Solution

The fourth proportional to 2,655.90, 3,664.62 and 1,607.94 is: 2,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.90 : 3,664.62 = 1,607.94 : x
  2. Step 2: Convert to fraction form
    2,655.90/3,664.62 = 1,607.94/x
  3. Step 3: Cross multiply
    2,655.90x = 3,664.62 × 1,607.94
  4. Step 4: Simplify right side
    2,655.90x = 5,892,489.08
  5. Step 5: Solve for x
    x = 5,892,489.08/2,655.90
  6. Step 6: Final answer
    x = 2,218.64

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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.