Home / 3,320.90-4,976.46-1,860.50

Finding the Fourth Proportional to 3,320.90, 4,976.46 and 1,860.50

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Solution

The fourth proportional to 3,320.90, 4,976.46 and 1,860.50 is: 2,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.90 : 4,976.46 = 1,860.50 : x
  2. Step 2: Convert to fraction form
    3,320.90/4,976.46 = 1,860.50/x
  3. Step 3: Cross multiply
    3,320.90x = 4,976.46 × 1,860.50
  4. Step 4: Simplify right side
    3,320.90x = 9,258,703.83
  5. Step 5: Solve for x
    x = 9,258,703.83/3,320.90
  6. Step 6: Final answer
    x = 2,788.01

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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.