Home / 4,189.59-5,785.49-2,700.07

Finding the Fourth Proportional to 4,189.59, 5,785.49 and 2,700.07

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Solution

The fourth proportional to 4,189.59, 5,785.49 and 2,700.07 is: 3,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.59 : 5,785.49 = 2,700.07 : x
  2. Step 2: Convert to fraction form
    4,189.59/5,785.49 = 2,700.07/x
  3. Step 3: Cross multiply
    4,189.59x = 5,785.49 × 2,700.07
  4. Step 4: Simplify right side
    4,189.59x = 15,621,220.27
  5. Step 5: Solve for x
    x = 15,621,220.27/4,189.59
  6. Step 6: Final answer
    x = 3,728.58

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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.