Home / 3,426.55-5,115.04-3,011.38

Finding the Fourth Proportional to 3,426.55, 5,115.04 and 3,011.38

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Solution

The fourth proportional to 3,426.55, 5,115.04 and 3,011.38 is: 4,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.55 : 5,115.04 = 3,011.38 : x
  2. Step 2: Convert to fraction form
    3,426.55/5,115.04 = 3,011.38/x
  3. Step 3: Cross multiply
    3,426.55x = 5,115.04 × 3,011.38
  4. Step 4: Simplify right side
    3,426.55x = 15,403,308.84
  5. Step 5: Solve for x
    x = 15,403,308.84/3,426.55
  6. Step 6: Final answer
    x = 4,495.29

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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.