Home / 3,901.23-5,384.07-2,223.05

Finding the Fourth Proportional to 3,901.23, 5,384.07 and 2,223.05

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Solution

The fourth proportional to 3,901.23, 5,384.07 and 2,223.05 is: 3,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.23 : 5,384.07 = 2,223.05 : x
  2. Step 2: Convert to fraction form
    3,901.23/5,384.07 = 2,223.05/x
  3. Step 3: Cross multiply
    3,901.23x = 5,384.07 × 2,223.05
  4. Step 4: Simplify right side
    3,901.23x = 11,969,029.89
  5. Step 5: Solve for x
    x = 11,969,029.89/3,901.23
  6. Step 6: Final answer
    x = 3,068.01

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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.