Home / 4,219.80-5,822.04-2,451.06

Finding the Fourth Proportional to 4,219.80, 5,822.04 and 2,451.06

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Solution

The fourth proportional to 4,219.80, 5,822.04 and 2,451.06 is: 3,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.80 : 5,822.04 = 2,451.06 : x
  2. Step 2: Convert to fraction form
    4,219.80/5,822.04 = 2,451.06/x
  3. Step 3: Cross multiply
    4,219.80x = 5,822.04 × 2,451.06
  4. Step 4: Simplify right side
    4,219.80x = 14,270,169.36
  5. Step 5: Solve for x
    x = 14,270,169.36/4,219.80
  6. Step 6: Final answer
    x = 3,381.72

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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.