Home / 3,802.15-5,246.85-2,230.21

Finding the Fourth Proportional to 3,802.15, 5,246.85 and 2,230.21

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Solution

The fourth proportional to 3,802.15, 5,246.85 and 2,230.21 is: 3,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.15 : 5,246.85 = 2,230.21 : x
  2. Step 2: Convert to fraction form
    3,802.15/5,246.85 = 2,230.21/x
  3. Step 3: Cross multiply
    3,802.15x = 5,246.85 × 2,230.21
  4. Step 4: Simplify right side
    3,802.15x = 11,701,577.34
  5. Step 5: Solve for x
    x = 11,701,577.34/3,802.15
  6. Step 6: Final answer
    x = 3,077.62

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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.