Home / 3,616.56-4,991.98-2,355.40

Finding the Fourth Proportional to 3,616.56, 4,991.98 and 2,355.40

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Solution

The fourth proportional to 3,616.56, 4,991.98 and 2,355.40 is: 3,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.56 : 4,991.98 = 2,355.40 : x
  2. Step 2: Convert to fraction form
    3,616.56/4,991.98 = 2,355.40/x
  3. Step 3: Cross multiply
    3,616.56x = 4,991.98 × 2,355.40
  4. Step 4: Simplify right side
    3,616.56x = 11,758,109.69
  5. Step 5: Solve for x
    x = 11,758,109.69/3,616.56
  6. Step 6: Final answer
    x = 3,251.19

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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.