Home / 2,002.02-2,763.63-1,216.32

Finding the Fourth Proportional to 2,002.02, 2,763.63 and 1,216.32

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Solution

The fourth proportional to 2,002.02, 2,763.63 and 1,216.32 is: 1,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.02 : 2,763.63 = 1,216.32 : x
  2. Step 2: Convert to fraction form
    2,002.02/2,763.63 = 1,216.32/x
  3. Step 3: Cross multiply
    2,002.02x = 2,763.63 × 1,216.32
  4. Step 4: Simplify right side
    2,002.02x = 3,361,458.44
  5. Step 5: Solve for x
    x = 3,361,458.44/2,002.02
  6. Step 6: Final answer
    x = 1,679.03

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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.