Home / 3,617.64-4,990.54-2,436.66

Finding the Fourth Proportional to 3,617.64, 4,990.54 and 2,436.66

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Solution

The fourth proportional to 3,617.64, 4,990.54 and 2,436.66 is: 3,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.64 : 4,990.54 = 2,436.66 : x
  2. Step 2: Convert to fraction form
    3,617.64/4,990.54 = 2,436.66/x
  3. Step 3: Cross multiply
    3,617.64x = 4,990.54 × 2,436.66
  4. Step 4: Simplify right side
    3,617.64x = 12,160,249.20
  5. Step 5: Solve for x
    x = 12,160,249.20/3,617.64
  6. Step 6: Final answer
    x = 3,361.38

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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.