Home / 3,290.42-4,927.64-2,974.52

Finding the Fourth Proportional to 3,290.42, 4,927.64 and 2,974.52

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Solution

The fourth proportional to 3,290.42, 4,927.64 and 2,974.52 is: 4,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.42 : 4,927.64 = 2,974.52 : x
  2. Step 2: Convert to fraction form
    3,290.42/4,927.64 = 2,974.52/x
  3. Step 3: Cross multiply
    3,290.42x = 4,927.64 × 2,974.52
  4. Step 4: Simplify right side
    3,290.42x = 14,657,361.18
  5. Step 5: Solve for x
    x = 14,657,361.18/3,290.42
  6. Step 6: Final answer
    x = 4,454.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.