Home / 3,802.18-5,246.24-2,208.80

Finding the Fourth Proportional to 3,802.18, 5,246.24 and 2,208.80

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Solution

The fourth proportional to 3,802.18, 5,246.24 and 2,208.80 is: 3,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.18 : 5,246.24 = 2,208.80 : x
  2. Step 2: Convert to fraction form
    3,802.18/5,246.24 = 2,208.80/x
  3. Step 3: Cross multiply
    3,802.18x = 5,246.24 × 2,208.80
  4. Step 4: Simplify right side
    3,802.18x = 11,587,894.91
  5. Step 5: Solve for x
    x = 11,587,894.91/3,802.18
  6. Step 6: Final answer
    x = 3,047.70

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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.