Home / 2,040.87-2,813.91-1,725.57

Finding the Fourth Proportional to 2,040.87, 2,813.91 and 1,725.57

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Solution

The fourth proportional to 2,040.87, 2,813.91 and 1,725.57 is: 2,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.87 : 2,813.91 = 1,725.57 : x
  2. Step 2: Convert to fraction form
    2,040.87/2,813.91 = 1,725.57/x
  3. Step 3: Cross multiply
    2,040.87x = 2,813.91 × 1,725.57
  4. Step 4: Simplify right side
    2,040.87x = 4,855,598.68
  5. Step 5: Solve for x
    x = 4,855,598.68/2,040.87
  6. Step 6: Final answer
    x = 2,379.18

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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.