Home / 2,647.83-3,656.08-1,808.57

Finding the Fourth Proportional to 2,647.83, 3,656.08 and 1,808.57

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Solution

The fourth proportional to 2,647.83, 3,656.08 and 1,808.57 is: 2,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.83 : 3,656.08 = 1,808.57 : x
  2. Step 2: Convert to fraction form
    2,647.83/3,656.08 = 1,808.57/x
  3. Step 3: Cross multiply
    2,647.83x = 3,656.08 × 1,808.57
  4. Step 4: Simplify right side
    2,647.83x = 6,612,288.01
  5. Step 5: Solve for x
    x = 6,612,288.01/2,647.83
  6. Step 6: Final answer
    x = 2,497.24

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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.