Home / 3,802.96-5,247.61-2,123.92

Finding the Fourth Proportional to 3,802.96, 5,247.61 and 2,123.92

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Solution

The fourth proportional to 3,802.96, 5,247.61 and 2,123.92 is: 2,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.96 : 5,247.61 = 2,123.92 : x
  2. Step 2: Convert to fraction form
    3,802.96/5,247.61 = 2,123.92/x
  3. Step 3: Cross multiply
    3,802.96x = 5,247.61 × 2,123.92
  4. Step 4: Simplify right side
    3,802.96x = 11,145,503.83
  5. Step 5: Solve for x
    x = 11,145,503.83/3,802.96
  6. Step 6: Final answer
    x = 2,930.74

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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.