Home / 2,626.24-3,920.87-2,006.68

Finding the Fourth Proportional to 2,626.24, 3,920.87 and 2,006.68

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Solution

The fourth proportional to 2,626.24, 3,920.87 and 2,006.68 is: 2,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.24 : 3,920.87 = 2,006.68 : x
  2. Step 2: Convert to fraction form
    2,626.24/3,920.87 = 2,006.68/x
  3. Step 3: Cross multiply
    2,626.24x = 3,920.87 × 2,006.68
  4. Step 4: Simplify right side
    2,626.24x = 7,867,931.41
  5. Step 5: Solve for x
    x = 7,867,931.41/2,626.24
  6. Step 6: Final answer
    x = 2,995.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.