Home / 2,017.87-3,025.80-631.35

Finding the Fourth Proportional to 2,017.87, 3,025.80 and 631.35

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Solution

The fourth proportional to 2,017.87, 3,025.80 and 631.35 is: 946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.87 : 3,025.80 = 631.35 : x
  2. Step 2: Convert to fraction form
    2,017.87/3,025.80 = 631.35/x
  3. Step 3: Cross multiply
    2,017.87x = 3,025.80 × 631.35
  4. Step 4: Simplify right side
    2,017.87x = 1,910,338.83
  5. Step 5: Solve for x
    x = 1,910,338.83/2,017.87
  6. Step 6: Final answer
    x = 946.71

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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.