Home / 3,864.21-5,332.53-2,095.77

Finding the Fourth Proportional to 3,864.21, 5,332.53 and 2,095.77

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Solution

The fourth proportional to 3,864.21, 5,332.53 and 2,095.77 is: 2,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.21 : 5,332.53 = 2,095.77 : x
  2. Step 2: Convert to fraction form
    3,864.21/5,332.53 = 2,095.77/x
  3. Step 3: Cross multiply
    3,864.21x = 5,332.53 × 2,095.77
  4. Step 4: Simplify right side
    3,864.21x = 11,175,784.25
  5. Step 5: Solve for x
    x = 11,175,784.25/3,864.21
  6. Step 6: Final answer
    x = 2,892.13

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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.