Home / 3,937.08-5,427.18-2,675.64

Finding the Fourth Proportional to 3,937.08, 5,427.18 and 2,675.64

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Solution

The fourth proportional to 3,937.08, 5,427.18 and 2,675.64 is: 3,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.08 : 5,427.18 = 2,675.64 : x
  2. Step 2: Convert to fraction form
    3,937.08/5,427.18 = 2,675.64/x
  3. Step 3: Cross multiply
    3,937.08x = 5,427.18 × 2,675.64
  4. Step 4: Simplify right side
    3,937.08x = 14,521,179.90
  5. Step 5: Solve for x
    x = 14,521,179.90/3,937.08
  6. Step 6: Final answer
    x = 3,688.31

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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.