Home / 2,627.85-3,626.17-1,508.70

Finding the Fourth Proportional to 2,627.85, 3,626.17 and 1,508.70

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Solution

The fourth proportional to 2,627.85, 3,626.17 and 1,508.70 is: 2,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.85 : 3,626.17 = 1,508.70 : x
  2. Step 2: Convert to fraction form
    2,627.85/3,626.17 = 1,508.70/x
  3. Step 3: Cross multiply
    2,627.85x = 3,626.17 × 1,508.70
  4. Step 4: Simplify right side
    2,627.85x = 5,470,802.68
  5. Step 5: Solve for x
    x = 5,470,802.68/2,627.85
  6. Step 6: Final answer
    x = 2,081.86

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1.5x scale

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.