Home / 3,155.15-4,354.29-1,738.87

Finding the Fourth Proportional to 3,155.15, 4,354.29 and 1,738.87

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Solution

The fourth proportional to 3,155.15, 4,354.29 and 1,738.87 is: 2,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.15 : 4,354.29 = 1,738.87 : x
  2. Step 2: Convert to fraction form
    3,155.15/4,354.29 = 1,738.87/x
  3. Step 3: Cross multiply
    3,155.15x = 4,354.29 × 1,738.87
  4. Step 4: Simplify right side
    3,155.15x = 7,571,533.37
  5. Step 5: Solve for x
    x = 7,571,533.37/3,155.15
  6. Step 6: Final answer
    x = 2,399.74

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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.