Home / 3,616.81-4,987.26-2,355.55

Finding the Fourth Proportional to 3,616.81, 4,987.26 and 2,355.55

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Solution

The fourth proportional to 3,616.81, 4,987.26 and 2,355.55 is: 3,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.81 : 4,987.26 = 2,355.55 : x
  2. Step 2: Convert to fraction form
    3,616.81/4,987.26 = 2,355.55/x
  3. Step 3: Cross multiply
    3,616.81x = 4,987.26 × 2,355.55
  4. Step 4: Simplify right side
    3,616.81x = 11,747,740.29
  5. Step 5: Solve for x
    x = 11,747,740.29/3,616.81
  6. Step 6: Final answer
    x = 3,248.09

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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.