Home / 4,168.98-5,751.41-2,400.21

Finding the Fourth Proportional to 4,168.98, 5,751.41 and 2,400.21

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Solution

The fourth proportional to 4,168.98, 5,751.41 and 2,400.21 is: 3,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.98 : 5,751.41 = 2,400.21 : x
  2. Step 2: Convert to fraction form
    4,168.98/5,751.41 = 2,400.21/x
  3. Step 3: Cross multiply
    4,168.98x = 5,751.41 × 2,400.21
  4. Step 4: Simplify right side
    4,168.98x = 13,804,612.18
  5. Step 5: Solve for x
    x = 13,804,612.18/4,168.98
  6. Step 6: Final answer
    x = 3,311.27

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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.