Home / 3,626.36-5,432.22-2,390.72

Finding the Fourth Proportional to 3,626.36, 5,432.22 and 2,390.72

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Solution

The fourth proportional to 3,626.36, 5,432.22 and 2,390.72 is: 3,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.36 : 5,432.22 = 2,390.72 : x
  2. Step 2: Convert to fraction form
    3,626.36/5,432.22 = 2,390.72/x
  3. Step 3: Cross multiply
    3,626.36x = 5,432.22 × 2,390.72
  4. Step 4: Simplify right side
    3,626.36x = 12,986,917.00
  5. Step 5: Solve for x
    x = 12,986,917.00/3,626.36
  6. Step 6: Final answer
    x = 3,581.25

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1.5x scale

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.