Home / 3,630.10-5,019.58-2,882.74

Finding the Fourth Proportional to 3,630.10, 5,019.58 and 2,882.74

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Solution

The fourth proportional to 3,630.10, 5,019.58 and 2,882.74 is: 3,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.10 : 5,019.58 = 2,882.74 : x
  2. Step 2: Convert to fraction form
    3,630.10/5,019.58 = 2,882.74/x
  3. Step 3: Cross multiply
    3,630.10x = 5,019.58 × 2,882.74
  4. Step 4: Simplify right side
    3,630.10x = 14,470,135.10
  5. Step 5: Solve for x
    x = 14,470,135.10/3,630.10
  6. Step 6: Final answer
    x = 3,986.16

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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.