Home / 3,901.07-5,384.42-2,222.89

Finding the Fourth Proportional to 3,901.07, 5,384.42 and 2,222.89

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Solution

The fourth proportional to 3,901.07, 5,384.42 and 2,222.89 is: 3,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.07 : 5,384.42 = 2,222.89 : x
  2. Step 2: Convert to fraction form
    3,901.07/5,384.42 = 2,222.89/x
  3. Step 3: Cross multiply
    3,901.07x = 5,384.42 × 2,222.89
  4. Step 4: Simplify right side
    3,901.07x = 11,968,973.37
  5. Step 5: Solve for x
    x = 11,968,973.37/3,901.07
  6. Step 6: Final answer
    x = 3,068.13

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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.