Home / 3,305.91-4,560.66-2,643.69

Finding the Fourth Proportional to 3,305.91, 4,560.66 and 2,643.69

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Solution

The fourth proportional to 3,305.91, 4,560.66 and 2,643.69 is: 3,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.91 : 4,560.66 = 2,643.69 : x
  2. Step 2: Convert to fraction form
    3,305.91/4,560.66 = 2,643.69/x
  3. Step 3: Cross multiply
    3,305.91x = 4,560.66 × 2,643.69
  4. Step 4: Simplify right side
    3,305.91x = 12,056,971.24
  5. Step 5: Solve for x
    x = 12,056,971.24/3,305.91
  6. Step 6: Final answer
    x = 3,647.10

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1.5x scale

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.