Home / 2,592.20-3,570.94-1,927.90

Finding the Fourth Proportional to 2,592.20, 3,570.94 and 1,927.90

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Solution

The fourth proportional to 2,592.20, 3,570.94 and 1,927.90 is: 2,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.20 : 3,570.94 = 1,927.90 : x
  2. Step 2: Convert to fraction form
    2,592.20/3,570.94 = 1,927.90/x
  3. Step 3: Cross multiply
    2,592.20x = 3,570.94 × 1,927.90
  4. Step 4: Simplify right side
    2,592.20x = 6,884,415.23
  5. Step 5: Solve for x
    x = 6,884,415.23/2,592.20
  6. Step 6: Final answer
    x = 2,655.82

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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.