Home / 3,864.77-5,333.34-2,163.25

Finding the Fourth Proportional to 3,864.77, 5,333.34 and 2,163.25

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Solution

The fourth proportional to 3,864.77, 5,333.34 and 2,163.25 is: 2,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.77 : 5,333.34 = 2,163.25 : x
  2. Step 2: Convert to fraction form
    3,864.77/5,333.34 = 2,163.25/x
  3. Step 3: Cross multiply
    3,864.77x = 5,333.34 × 2,163.25
  4. Step 4: Simplify right side
    3,864.77x = 11,537,347.76
  5. Step 5: Solve for x
    x = 11,537,347.76/3,864.77
  6. Step 6: Final answer
    x = 2,985.26

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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.