Home / 3,631.50-5,011.47-1,975.50

Finding the Fourth Proportional to 3,631.50, 5,011.47 and 1,975.50

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Solution

The fourth proportional to 3,631.50, 5,011.47 and 1,975.50 is: 2,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.50 : 5,011.47 = 1,975.50 : x
  2. Step 2: Convert to fraction form
    3,631.50/5,011.47 = 1,975.50/x
  3. Step 3: Cross multiply
    3,631.50x = 5,011.47 × 1,975.50
  4. Step 4: Simplify right side
    3,631.50x = 9,900,158.99
  5. Step 5: Solve for x
    x = 9,900,158.99/3,631.50
  6. Step 6: Final answer
    x = 2,726.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.