Home / 3,618.74-4,993.04-2,203.16

Finding the Fourth Proportional to 3,618.74, 4,993.04 and 2,203.16

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Solution

The fourth proportional to 3,618.74, 4,993.04 and 2,203.16 is: 3,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.74 : 4,993.04 = 2,203.16 : x
  2. Step 2: Convert to fraction form
    3,618.74/4,993.04 = 2,203.16/x
  3. Step 3: Cross multiply
    3,618.74x = 4,993.04 × 2,203.16
  4. Step 4: Simplify right side
    3,618.74x = 11,000,466.01
  5. Step 5: Solve for x
    x = 11,000,466.01/3,618.74
  6. Step 6: Final answer
    x = 3,039.87

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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.