Home / 3,320.28-4,975.77-1,840.19

Finding the Fourth Proportional to 3,320.28, 4,975.77 and 1,840.19

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Solution

The fourth proportional to 3,320.28, 4,975.77 and 1,840.19 is: 2,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.28 : 4,975.77 = 1,840.19 : x
  2. Step 2: Convert to fraction form
    3,320.28/4,975.77 = 1,840.19/x
  3. Step 3: Cross multiply
    3,320.28x = 4,975.77 × 1,840.19
  4. Step 4: Simplify right side
    3,320.28x = 9,156,337.32
  5. Step 5: Solve for x
    x = 9,156,337.32/3,320.28
  6. Step 6: Final answer
    x = 2,757.70

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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.