Home / 3,319.85-4,977.05-1,563.99

Finding the Fourth Proportional to 3,319.85, 4,977.05 and 1,563.99

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Solution

The fourth proportional to 3,319.85, 4,977.05 and 1,563.99 is: 2,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.85 : 4,977.05 = 1,563.99 : x
  2. Step 2: Convert to fraction form
    3,319.85/4,977.05 = 1,563.99/x
  3. Step 3: Cross multiply
    3,319.85x = 4,977.05 × 1,563.99
  4. Step 4: Simplify right side
    3,319.85x = 7,784,048.61
  5. Step 5: Solve for x
    x = 7,784,048.61/3,319.85
  6. Step 6: Final answer
    x = 2,344.70

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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.