Home / 3,160.34-4,359.51-2,217.54

Finding the Fourth Proportional to 3,160.34, 4,359.51 and 2,217.54

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Solution

The fourth proportional to 3,160.34, 4,359.51 and 2,217.54 is: 3,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.34 : 4,359.51 = 2,217.54 : x
  2. Step 2: Convert to fraction form
    3,160.34/4,359.51 = 2,217.54/x
  3. Step 3: Cross multiply
    3,160.34x = 4,359.51 × 2,217.54
  4. Step 4: Simplify right side
    3,160.34x = 9,667,387.81
  5. Step 5: Solve for x
    x = 9,667,387.81/3,160.34
  6. Step 6: Final answer
    x = 3,058.98

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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.