Home / 3,925.08-5,417.46-3,072.63

Finding the Fourth Proportional to 3,925.08, 5,417.46 and 3,072.63

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Solution

The fourth proportional to 3,925.08, 5,417.46 and 3,072.63 is: 4,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.08 : 5,417.46 = 3,072.63 : x
  2. Step 2: Convert to fraction form
    3,925.08/5,417.46 = 3,072.63/x
  3. Step 3: Cross multiply
    3,925.08x = 5,417.46 × 3,072.63
  4. Step 4: Simplify right side
    3,925.08x = 16,645,850.12
  5. Step 5: Solve for x
    x = 16,645,850.12/3,925.08
  6. Step 6: Final answer
    x = 4,240.89

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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.