Home / 3,305.28-4,560.08-2,643.68

Finding the Fourth Proportional to 3,305.28, 4,560.08 and 2,643.68

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Solution

The fourth proportional to 3,305.28, 4,560.08 and 2,643.68 is: 3,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.28 : 4,560.08 = 2,643.68 : x
  2. Step 2: Convert to fraction form
    3,305.28/4,560.08 = 2,643.68/x
  3. Step 3: Cross multiply
    3,305.28x = 4,560.08 × 2,643.68
  4. Step 4: Simplify right side
    3,305.28x = 12,055,392.29
  5. Step 5: Solve for x
    x = 12,055,392.29/3,305.28
  6. Step 6: Final answer
    x = 3,647.31

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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.