Home / 2,506.20-3,451.86-2,174.64

Finding the Fourth Proportional to 2,506.20, 3,451.86 and 2,174.64

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Solution

The fourth proportional to 2,506.20, 3,451.86 and 2,174.64 is: 2,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.20 : 3,451.86 = 2,174.64 : x
  2. Step 2: Convert to fraction form
    2,506.20/3,451.86 = 2,174.64/x
  3. Step 3: Cross multiply
    2,506.20x = 3,451.86 × 2,174.64
  4. Step 4: Simplify right side
    2,506.20x = 7,506,552.83
  5. Step 5: Solve for x
    x = 7,506,552.83/2,506.20
  6. Step 6: Final answer
    x = 2,995.19

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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.