Home / 2,292.98-3,440.34-1,318.55

Finding the Fourth Proportional to 2,292.98, 3,440.34 and 1,318.55

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Solution

The fourth proportional to 2,292.98, 3,440.34 and 1,318.55 is: 1,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.98 : 3,440.34 = 1,318.55 : x
  2. Step 2: Convert to fraction form
    2,292.98/3,440.34 = 1,318.55/x
  3. Step 3: Cross multiply
    2,292.98x = 3,440.34 × 1,318.55
  4. Step 4: Simplify right side
    2,292.98x = 4,536,243.11
  5. Step 5: Solve for x
    x = 4,536,243.11/2,292.98
  6. Step 6: Final answer
    x = 1,978.32

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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.