Home / 3,456.28-5,181.51-1,606.45

Finding the Fourth Proportional to 3,456.28, 5,181.51 and 1,606.45

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Solution

The fourth proportional to 3,456.28, 5,181.51 and 1,606.45 is: 2,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.28 : 5,181.51 = 1,606.45 : x
  2. Step 2: Convert to fraction form
    3,456.28/5,181.51 = 1,606.45/x
  3. Step 3: Cross multiply
    3,456.28x = 5,181.51 × 1,606.45
  4. Step 4: Simplify right side
    3,456.28x = 8,323,836.74
  5. Step 5: Solve for x
    x = 8,323,836.74/3,456.28
  6. Step 6: Final answer
    x = 2,408.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.