Home / 3,494.02-4,821.75-1,922.11

Finding the Fourth Proportional to 3,494.02, 4,821.75 and 1,922.11

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Solution

The fourth proportional to 3,494.02, 4,821.75 and 1,922.11 is: 2,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.02 : 4,821.75 = 1,922.11 : x
  2. Step 2: Convert to fraction form
    3,494.02/4,821.75 = 1,922.11/x
  3. Step 3: Cross multiply
    3,494.02x = 4,821.75 × 1,922.11
  4. Step 4: Simplify right side
    3,494.02x = 9,267,933.89
  5. Step 5: Solve for x
    x = 9,267,933.89/3,494.02
  6. Step 6: Final answer
    x = 2,652.51

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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.