Home / 3,717.12-5,128.61-2,300.13

Finding the Fourth Proportional to 3,717.12, 5,128.61 and 2,300.13

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Solution

The fourth proportional to 3,717.12, 5,128.61 and 2,300.13 is: 3,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.12 : 5,128.61 = 2,300.13 : x
  2. Step 2: Convert to fraction form
    3,717.12/5,128.61 = 2,300.13/x
  3. Step 3: Cross multiply
    3,717.12x = 5,128.61 × 2,300.13
  4. Step 4: Simplify right side
    3,717.12x = 11,796,458.22
  5. Step 5: Solve for x
    x = 11,796,458.22/3,717.12
  6. Step 6: Final answer
    x = 3,173.55

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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.