Home / 2,655.72-3,983.45-1,095.26

Finding the Fourth Proportional to 2,655.72, 3,983.45 and 1,095.26

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Solution

The fourth proportional to 2,655.72, 3,983.45 and 1,095.26 is: 1,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.72 : 3,983.45 = 1,095.26 : x
  2. Step 2: Convert to fraction form
    2,655.72/3,983.45 = 1,095.26/x
  3. Step 3: Cross multiply
    2,655.72x = 3,983.45 × 1,095.26
  4. Step 4: Simplify right side
    2,655.72x = 4,362,888.05
  5. Step 5: Solve for x
    x = 4,362,888.05/2,655.72
  6. Step 6: Final answer
    x = 1,642.83

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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.