Home / 3,619.50-5,431.44-1,567.50

Finding the Fourth Proportional to 3,619.50, 5,431.44 and 1,567.50

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Solution

The fourth proportional to 3,619.50, 5,431.44 and 1,567.50 is: 2,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.50 : 5,431.44 = 1,567.50 : x
  2. Step 2: Convert to fraction form
    3,619.50/5,431.44 = 1,567.50/x
  3. Step 3: Cross multiply
    3,619.50x = 5,431.44 × 1,567.50
  4. Step 4: Simplify right side
    3,619.50x = 8,513,782.20
  5. Step 5: Solve for x
    x = 8,513,782.20/3,619.50
  6. Step 6: Final answer
    x = 2,352.20

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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.