Home / 3,821.02-5,275.46-2,406.62

Finding the Fourth Proportional to 3,821.02, 5,275.46 and 2,406.62

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Solution

The fourth proportional to 3,821.02, 5,275.46 and 2,406.62 is: 3,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.02 : 5,275.46 = 2,406.62 : x
  2. Step 2: Convert to fraction form
    3,821.02/5,275.46 = 2,406.62/x
  3. Step 3: Cross multiply
    3,821.02x = 5,275.46 × 2,406.62
  4. Step 4: Simplify right side
    3,821.02x = 12,696,027.55
  5. Step 5: Solve for x
    x = 12,696,027.55/3,821.02
  6. Step 6: Final answer
    x = 3,322.68

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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.