Home / 3,907.11-5,393.57-2,492.70

Finding the Fourth Proportional to 3,907.11, 5,393.57 and 2,492.70

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Solution

The fourth proportional to 3,907.11, 5,393.57 and 2,492.70 is: 3,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.11 : 5,393.57 = 2,492.70 : x
  2. Step 2: Convert to fraction form
    3,907.11/5,393.57 = 2,492.70/x
  3. Step 3: Cross multiply
    3,907.11x = 5,393.57 × 2,492.70
  4. Step 4: Simplify right side
    3,907.11x = 13,444,539.48
  5. Step 5: Solve for x
    x = 13,444,539.48/3,907.11
  6. Step 6: Final answer
    x = 3,441.04

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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.