Home / 2,431.01-3,354.66-1,383

Finding the Fourth Proportional to 2,431.01, 3,354.66 and 1,383

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Solution

The fourth proportional to 2,431.01, 3,354.66 and 1,383 is: 1,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.01 : 3,354.66 = 1,383 : x
  2. Step 2: Convert to fraction form
    2,431.01/3,354.66 = 1,383/x
  3. Step 3: Cross multiply
    2,431.01x = 3,354.66 × 1,383
  4. Step 4: Simplify right side
    2,431.01x = 4,639,487.87
  5. Step 5: Solve for x
    x = 4,639,487.87/2,431.01
  6. Step 6: Final answer
    x = 1,908.46

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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.