Home / 3,627.09-5,005.35-2,055.20

Finding the Fourth Proportional to 3,627.09, 5,005.35 and 2,055.20

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Solution

The fourth proportional to 3,627.09, 5,005.35 and 2,055.20 is: 2,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.09 : 5,005.35 = 2,055.20 : x
  2. Step 2: Convert to fraction form
    3,627.09/5,005.35 = 2,055.20/x
  3. Step 3: Cross multiply
    3,627.09x = 5,005.35 × 2,055.20
  4. Step 4: Simplify right side
    3,627.09x = 10,286,970.29
  5. Step 5: Solve for x
    x = 10,286,970.29/3,627.09
  6. Step 6: Final answer
    x = 2,836.15

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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.