Home / 3,953.08-5,455.17-2,184.72

Finding the Fourth Proportional to 3,953.08, 5,455.17 and 2,184.72

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Solution

The fourth proportional to 3,953.08, 5,455.17 and 2,184.72 is: 3,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.08 : 5,455.17 = 2,184.72 : x
  2. Step 2: Convert to fraction form
    3,953.08/5,455.17 = 2,184.72/x
  3. Step 3: Cross multiply
    3,953.08x = 5,455.17 × 2,184.72
  4. Step 4: Simplify right side
    3,953.08x = 11,918,019.00
  5. Step 5: Solve for x
    x = 11,918,019.00/3,953.08
  6. Step 6: Final answer
    x = 3,014.87

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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.