Home / 3,320.48-4,982.80-1,860.56

Finding the Fourth Proportional to 3,320.48, 4,982.80 and 1,860.56

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Solution

The fourth proportional to 3,320.48, 4,982.80 and 1,860.56 is: 2,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.48 : 4,982.80 = 1,860.56 : x
  2. Step 2: Convert to fraction form
    3,320.48/4,982.80 = 1,860.56/x
  3. Step 3: Cross multiply
    3,320.48x = 4,982.80 × 1,860.56
  4. Step 4: Simplify right side
    3,320.48x = 9,270,798.37
  5. Step 5: Solve for x
    x = 9,270,798.37/3,320.48
  6. Step 6: Final answer
    x = 2,792.01

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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.