Home / 3,864.05-5,331.48-2,607.43

Finding the Fourth Proportional to 3,864.05, 5,331.48 and 2,607.43

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Solution

The fourth proportional to 3,864.05, 5,331.48 and 2,607.43 is: 3,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.05 : 5,331.48 = 2,607.43 : x
  2. Step 2: Convert to fraction form
    3,864.05/5,331.48 = 2,607.43/x
  3. Step 3: Cross multiply
    3,864.05x = 5,331.48 × 2,607.43
  4. Step 4: Simplify right side
    3,864.05x = 13,901,460.90
  5. Step 5: Solve for x
    x = 13,901,460.90/3,864.05
  6. Step 6: Final answer
    x = 3,597.64

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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.