Home / 2,431.88-3,355.85-1,436.93

Finding the Fourth Proportional to 2,431.88, 3,355.85 and 1,436.93

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Solution

The fourth proportional to 2,431.88, 3,355.85 and 1,436.93 is: 1,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.88 : 3,355.85 = 1,436.93 : x
  2. Step 2: Convert to fraction form
    2,431.88/3,355.85 = 1,436.93/x
  3. Step 3: Cross multiply
    2,431.88x = 3,355.85 × 1,436.93
  4. Step 4: Simplify right side
    2,431.88x = 4,822,097.58
  5. Step 5: Solve for x
    x = 4,822,097.58/2,431.88
  6. Step 6: Final answer
    x = 1,982.87

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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.