Home / 2,930.37-4,395.56-2,759.18

Finding the Fourth Proportional to 2,930.37, 4,395.56 and 2,759.18

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Solution

The fourth proportional to 2,930.37, 4,395.56 and 2,759.18 is: 4,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.37 : 4,395.56 = 2,759.18 : x
  2. Step 2: Convert to fraction form
    2,930.37/4,395.56 = 2,759.18/x
  3. Step 3: Cross multiply
    2,930.37x = 4,395.56 × 2,759.18
  4. Step 4: Simplify right side
    2,930.37x = 12,128,105.47
  5. Step 5: Solve for x
    x = 12,128,105.47/2,930.37
  6. Step 6: Final answer
    x = 4,138.76

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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.