Home / 3,802.87-5,247.96-2,124.27

Finding the Fourth Proportional to 3,802.87, 5,247.96 and 2,124.27

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Solution

The fourth proportional to 3,802.87, 5,247.96 and 2,124.27 is: 2,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.87 : 5,247.96 = 2,124.27 : x
  2. Step 2: Convert to fraction form
    3,802.87/5,247.96 = 2,124.27/x
  3. Step 3: Cross multiply
    3,802.87x = 5,247.96 × 2,124.27
  4. Step 4: Simplify right side
    3,802.87x = 11,148,083.99
  5. Step 5: Solve for x
    x = 11,148,083.99/3,802.87
  6. Step 6: Final answer
    x = 2,931.49

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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.