Home / 3,864.48-5,332.93-2,185.90

Finding the Fourth Proportional to 3,864.48, 5,332.93 and 2,185.90

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Solution

The fourth proportional to 3,864.48, 5,332.93 and 2,185.90 is: 3,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.48 : 5,332.93 = 2,185.90 : x
  2. Step 2: Convert to fraction form
    3,864.48/5,332.93 = 2,185.90/x
  3. Step 3: Cross multiply
    3,864.48x = 5,332.93 × 2,185.90
  4. Step 4: Simplify right side
    3,864.48x = 11,657,251.69
  5. Step 5: Solve for x
    x = 11,657,251.69/3,864.48
  6. Step 6: Final answer
    x = 3,016.51

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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.