Home / 3,320.15-4,983.88-1,860.53

Finding the Fourth Proportional to 3,320.15, 4,983.88 and 1,860.53

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Solution

The fourth proportional to 3,320.15, 4,983.88 and 1,860.53 is: 2,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.15 : 4,983.88 = 1,860.53 : x
  2. Step 2: Convert to fraction form
    3,320.15/4,983.88 = 1,860.53/x
  3. Step 3: Cross multiply
    3,320.15x = 4,983.88 × 1,860.53
  4. Step 4: Simplify right side
    3,320.15x = 9,272,666.06
  5. Step 5: Solve for x
    x = 9,272,666.06/3,320.15
  6. Step 6: Final answer
    x = 2,792.84

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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.