Home / 2,932.08-4,395.60-1,392

Finding the Fourth Proportional to 2,932.08, 4,395.60 and 1,392

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Solution

The fourth proportional to 2,932.08, 4,395.60 and 1,392 is: 2,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.08 : 4,395.60 = 1,392 : x
  2. Step 2: Convert to fraction form
    2,932.08/4,395.60 = 1,392/x
  3. Step 3: Cross multiply
    2,932.08x = 4,395.60 × 1,392
  4. Step 4: Simplify right side
    2,932.08x = 6,118,675.20
  5. Step 5: Solve for x
    x = 6,118,675.20/2,932.08
  6. Step 6: Final answer
    x = 2,086.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.