Home / 3,750.15-5,175.16-2,071.54

Finding the Fourth Proportional to 3,750.15, 5,175.16 and 2,071.54

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Solution

The fourth proportional to 3,750.15, 5,175.16 and 2,071.54 is: 2,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.15 : 5,175.16 = 2,071.54 : x
  2. Step 2: Convert to fraction form
    3,750.15/5,175.16 = 2,071.54/x
  3. Step 3: Cross multiply
    3,750.15x = 5,175.16 × 2,071.54
  4. Step 4: Simplify right side
    3,750.15x = 10,720,550.95
  5. Step 5: Solve for x
    x = 10,720,550.95/3,750.15
  6. Step 6: Final answer
    x = 2,858.70

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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.