Home / 3,320.93-4,582.83-1,977.48

Finding the Fourth Proportional to 3,320.93, 4,582.83 and 1,977.48

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Solution

The fourth proportional to 3,320.93, 4,582.83 and 1,977.48 is: 2,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.93 : 4,582.83 = 1,977.48 : x
  2. Step 2: Convert to fraction form
    3,320.93/4,582.83 = 1,977.48/x
  3. Step 3: Cross multiply
    3,320.93x = 4,582.83 × 1,977.48
  4. Step 4: Simplify right side
    3,320.93x = 9,062,454.67
  5. Step 5: Solve for x
    x = 9,062,454.67/3,320.93
  6. Step 6: Final answer
    x = 2,728.89

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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.