Home / 3,751.13-5,176.55-2,179.32

Finding the Fourth Proportional to 3,751.13, 5,176.55 and 2,179.32

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Solution

The fourth proportional to 3,751.13, 5,176.55 and 2,179.32 is: 3,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.13 : 5,176.55 = 2,179.32 : x
  2. Step 2: Convert to fraction form
    3,751.13/5,176.55 = 2,179.32/x
  3. Step 3: Cross multiply
    3,751.13x = 5,176.55 × 2,179.32
  4. Step 4: Simplify right side
    3,751.13x = 11,281,364.39
  5. Step 5: Solve for x
    x = 11,281,364.39/3,751.13
  6. Step 6: Final answer
    x = 3,007.46

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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.