Home / 4,319.36-5,961.44-2,431.79

Finding the Fourth Proportional to 4,319.36, 5,961.44 and 2,431.79

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Solution

The fourth proportional to 4,319.36, 5,961.44 and 2,431.79 is: 3,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.36 : 5,961.44 = 2,431.79 : x
  2. Step 2: Convert to fraction form
    4,319.36/5,961.44 = 2,431.79/x
  3. Step 3: Cross multiply
    4,319.36x = 5,961.44 × 2,431.79
  4. Step 4: Simplify right side
    4,319.36x = 14,496,970.18
  5. Step 5: Solve for x
    x = 14,496,970.18/4,319.36
  6. Step 6: Final answer
    x = 3,356.28

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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.