Home / 2,431.97-3,356.06-1,355.24

Finding the Fourth Proportional to 2,431.97, 3,356.06 and 1,355.24

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Solution

The fourth proportional to 2,431.97, 3,356.06 and 1,355.24 is: 1,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.97 : 3,356.06 = 1,355.24 : x
  2. Step 2: Convert to fraction form
    2,431.97/3,356.06 = 1,355.24/x
  3. Step 3: Cross multiply
    2,431.97x = 3,356.06 × 1,355.24
  4. Step 4: Simplify right side
    2,431.97x = 4,548,249.97
  5. Step 5: Solve for x
    x = 4,548,249.97/2,431.97
  6. Step 6: Final answer
    x = 1,870.19

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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.