Home / 2,620.07-3,931.90-1,696.06

Finding the Fourth Proportional to 2,620.07, 3,931.90 and 1,696.06

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Solution

The fourth proportional to 2,620.07, 3,931.90 and 1,696.06 is: 2,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.07 : 3,931.90 = 1,696.06 : x
  2. Step 2: Convert to fraction form
    2,620.07/3,931.90 = 1,696.06/x
  3. Step 3: Cross multiply
    2,620.07x = 3,931.90 × 1,696.06
  4. Step 4: Simplify right side
    2,620.07x = 6,668,738.31
  5. Step 5: Solve for x
    x = 6,668,738.31/2,620.07
  6. Step 6: Final answer
    x = 2,545.25

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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.