Home / 3,138.87-4,708.35-1,495.59

Finding the Fourth Proportional to 3,138.87, 4,708.35 and 1,495.59

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Solution

The fourth proportional to 3,138.87, 4,708.35 and 1,495.59 is: 2,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.87 : 4,708.35 = 1,495.59 : x
  2. Step 2: Convert to fraction form
    3,138.87/4,708.35 = 1,495.59/x
  3. Step 3: Cross multiply
    3,138.87x = 4,708.35 × 1,495.59
  4. Step 4: Simplify right side
    3,138.87x = 7,041,761.18
  5. Step 5: Solve for x
    x = 7,041,761.18/3,138.87
  6. Step 6: Final answer
    x = 2,243.41

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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.