Home / 3,864.08-5,333.36-2,271.08

Finding the Fourth Proportional to 3,864.08, 5,333.36 and 2,271.08

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Solution

The fourth proportional to 3,864.08, 5,333.36 and 2,271.08 is: 3,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.08 : 5,333.36 = 2,271.08 : x
  2. Step 2: Convert to fraction form
    3,864.08/5,333.36 = 2,271.08/x
  3. Step 3: Cross multiply
    3,864.08x = 5,333.36 × 2,271.08
  4. Step 4: Simplify right side
    3,864.08x = 12,112,449.21
  5. Step 5: Solve for x
    x = 12,112,449.21/3,864.08
  6. Step 6: Final answer
    x = 3,134.63

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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.