Home / 3,320.79-4,583.01-1,994.47

Finding the Fourth Proportional to 3,320.79, 4,583.01 and 1,994.47

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Solution

The fourth proportional to 3,320.79, 4,583.01 and 1,994.47 is: 2,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.79 : 4,583.01 = 1,994.47 : x
  2. Step 2: Convert to fraction form
    3,320.79/4,583.01 = 1,994.47/x
  3. Step 3: Cross multiply
    3,320.79x = 4,583.01 × 1,994.47
  4. Step 4: Simplify right side
    3,320.79x = 9,140,675.95
  5. Step 5: Solve for x
    x = 9,140,675.95/3,320.79
  6. Step 6: Final answer
    x = 2,752.56

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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.