Home / 3,156.37-4,355.99-1,759.12

Finding the Fourth Proportional to 3,156.37, 4,355.99 and 1,759.12

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Solution

The fourth proportional to 3,156.37, 4,355.99 and 1,759.12 is: 2,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.37 : 4,355.99 = 1,759.12 : x
  2. Step 2: Convert to fraction form
    3,156.37/4,355.99 = 1,759.12/x
  3. Step 3: Cross multiply
    3,156.37x = 4,355.99 × 1,759.12
  4. Step 4: Simplify right side
    3,156.37x = 7,662,709.13
  5. Step 5: Solve for x
    x = 7,662,709.13/3,156.37
  6. Step 6: Final answer
    x = 2,427.70

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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.