Home / 2,358.93-3,539.92-2,171.22

Finding the Fourth Proportional to 2,358.93, 3,539.92 and 2,171.22

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Solution

The fourth proportional to 2,358.93, 3,539.92 and 2,171.22 is: 3,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.93 : 3,539.92 = 2,171.22 : x
  2. Step 2: Convert to fraction form
    2,358.93/3,539.92 = 2,171.22/x
  3. Step 3: Cross multiply
    2,358.93x = 3,539.92 × 2,171.22
  4. Step 4: Simplify right side
    2,358.93x = 7,685,945.10
  5. Step 5: Solve for x
    x = 7,685,945.10/2,358.93
  6. Step 6: Final answer
    x = 3,258.23

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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.