Home / 3,652.29-5,477.63-2,191.86

Finding the Fourth Proportional to 3,652.29, 5,477.63 and 2,191.86

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Solution

The fourth proportional to 3,652.29, 5,477.63 and 2,191.86 is: 3,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.29 : 5,477.63 = 2,191.86 : x
  2. Step 2: Convert to fraction form
    3,652.29/5,477.63 = 2,191.86/x
  3. Step 3: Cross multiply
    3,652.29x = 5,477.63 × 2,191.86
  4. Step 4: Simplify right side
    3,652.29x = 12,006,187.13
  5. Step 5: Solve for x
    x = 12,006,187.13/3,652.29
  6. Step 6: Final answer
    x = 3,287.30

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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.