Home / 3,802.66-5,246.96-2,124.06

Finding the Fourth Proportional to 3,802.66, 5,246.96 and 2,124.06

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Solution

The fourth proportional to 3,802.66, 5,246.96 and 2,124.06 is: 2,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.66 : 5,246.96 = 2,124.06 : x
  2. Step 2: Convert to fraction form
    3,802.66/5,246.96 = 2,124.06/x
  3. Step 3: Cross multiply
    3,802.66x = 5,246.96 × 2,124.06
  4. Step 4: Simplify right side
    3,802.66x = 11,144,857.86
  5. Step 5: Solve for x
    x = 11,144,857.86/3,802.66
  6. Step 6: Final answer
    x = 2,930.81

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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.