Home / 3,565.50-5,342.34-2,174.64

Finding the Fourth Proportional to 3,565.50, 5,342.34 and 2,174.64

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Solution

The fourth proportional to 3,565.50, 5,342.34 and 2,174.64 is: 3,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.50 : 5,342.34 = 2,174.64 : x
  2. Step 2: Convert to fraction form
    3,565.50/5,342.34 = 2,174.64/x
  3. Step 3: Cross multiply
    3,565.50x = 5,342.34 × 2,174.64
  4. Step 4: Simplify right side
    3,565.50x = 11,617,666.26
  5. Step 5: Solve for x
    x = 11,617,666.26/3,565.50
  6. Step 6: Final answer
    x = 3,258.36

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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.