Home / 3,816.18-5,266.35-2,223.32

Finding the Fourth Proportional to 3,816.18, 5,266.35 and 2,223.32

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Solution

The fourth proportional to 3,816.18, 5,266.35 and 2,223.32 is: 3,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.18 : 5,266.35 = 2,223.32 : x
  2. Step 2: Convert to fraction form
    3,816.18/5,266.35 = 2,223.32/x
  3. Step 3: Cross multiply
    3,816.18x = 5,266.35 × 2,223.32
  4. Step 4: Simplify right side
    3,816.18x = 11,708,754.95
  5. Step 5: Solve for x
    x = 11,708,754.95/3,816.18
  6. Step 6: Final answer
    x = 3,068.19

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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.