Home / 2,431.32-3,353.07-1,646.43

Finding the Fourth Proportional to 2,431.32, 3,353.07 and 1,646.43

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Solution

The fourth proportional to 2,431.32, 3,353.07 and 1,646.43 is: 2,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.32 : 3,353.07 = 1,646.43 : x
  2. Step 2: Convert to fraction form
    2,431.32/3,353.07 = 1,646.43/x
  3. Step 3: Cross multiply
    2,431.32x = 3,353.07 × 1,646.43
  4. Step 4: Simplify right side
    2,431.32x = 5,520,595.04
  5. Step 5: Solve for x
    x = 5,520,595.04/2,431.32
  6. Step 6: Final answer
    x = 2,270.62

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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.