Home / 3,039.58-4,567.92-1,807.21

Finding the Fourth Proportional to 3,039.58, 4,567.92 and 1,807.21

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Solution

The fourth proportional to 3,039.58, 4,567.92 and 1,807.21 is: 2,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.58 : 4,567.92 = 1,807.21 : x
  2. Step 2: Convert to fraction form
    3,039.58/4,567.92 = 1,807.21/x
  3. Step 3: Cross multiply
    3,039.58x = 4,567.92 × 1,807.21
  4. Step 4: Simplify right side
    3,039.58x = 8,255,190.70
  5. Step 5: Solve for x
    x = 8,255,190.70/3,039.58
  6. Step 6: Final answer
    x = 2,715.90

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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.