Home / 2,655.08-3,665.73-1,647.87

Finding the Fourth Proportional to 2,655.08, 3,665.73 and 1,647.87

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Solution

The fourth proportional to 2,655.08, 3,665.73 and 1,647.87 is: 2,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.08 : 3,665.73 = 1,647.87 : x
  2. Step 2: Convert to fraction form
    2,655.08/3,665.73 = 1,647.87/x
  3. Step 3: Cross multiply
    2,655.08x = 3,665.73 × 1,647.87
  4. Step 4: Simplify right side
    2,655.08x = 6,040,646.50
  5. Step 5: Solve for x
    x = 6,040,646.50/2,655.08
  6. Step 6: Final answer
    x = 2,275.13

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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.