Home / 3,687.64-5,089.37-2,271.05

Finding the Fourth Proportional to 3,687.64, 5,089.37 and 2,271.05

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Solution

The fourth proportional to 3,687.64, 5,089.37 and 2,271.05 is: 3,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.64 : 5,089.37 = 2,271.05 : x
  2. Step 2: Convert to fraction form
    3,687.64/5,089.37 = 2,271.05/x
  3. Step 3: Cross multiply
    3,687.64x = 5,089.37 × 2,271.05
  4. Step 4: Simplify right side
    3,687.64x = 11,558,224.65
  5. Step 5: Solve for x
    x = 11,558,224.65/3,687.64
  6. Step 6: Final answer
    x = 3,134.31

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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.