Home / 3,626.56-5,415.76-2,934.08

Finding the Fourth Proportional to 3,626.56, 5,415.76 and 2,934.08

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Solution

The fourth proportional to 3,626.56, 5,415.76 and 2,934.08 is: 4,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.56 : 5,415.76 = 2,934.08 : x
  2. Step 2: Convert to fraction form
    3,626.56/5,415.76 = 2,934.08/x
  3. Step 3: Cross multiply
    3,626.56x = 5,415.76 × 2,934.08
  4. Step 4: Simplify right side
    3,626.56x = 15,890,273.10
  5. Step 5: Solve for x
    x = 15,890,273.10/3,626.56
  6. Step 6: Final answer
    x = 4,381.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.