Home / 3,802.90-5,247.94-2,124.33

Finding the Fourth Proportional to 3,802.90, 5,247.94 and 2,124.33

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Solution

The fourth proportional to 3,802.90, 5,247.94 and 2,124.33 is: 2,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.90 : 5,247.94 = 2,124.33 : x
  2. Step 2: Convert to fraction form
    3,802.90/5,247.94 = 2,124.33/x
  3. Step 3: Cross multiply
    3,802.90x = 5,247.94 × 2,124.33
  4. Step 4: Simplify right side
    3,802.90x = 11,148,340.60
  5. Step 5: Solve for x
    x = 11,148,340.60/3,802.90
  6. Step 6: Final answer
    x = 2,931.54

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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.