Home / 3,864.15-5,332.59-2,095.79

Finding the Fourth Proportional to 3,864.15, 5,332.59 and 2,095.79

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Solution

The fourth proportional to 3,864.15, 5,332.59 and 2,095.79 is: 2,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.15 : 5,332.59 = 2,095.79 : x
  2. Step 2: Convert to fraction form
    3,864.15/5,332.59 = 2,095.79/x
  3. Step 3: Cross multiply
    3,864.15x = 5,332.59 × 2,095.79
  4. Step 4: Simplify right side
    3,864.15x = 11,175,962.13
  5. Step 5: Solve for x
    x = 11,175,962.13/3,864.15
  6. Step 6: Final answer
    x = 2,892.22

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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.