Home / 2,440.46-3,367.91-1,392.50

Finding the Fourth Proportional to 2,440.46, 3,367.91 and 1,392.50

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Solution

The fourth proportional to 2,440.46, 3,367.91 and 1,392.50 is: 1,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.46 : 3,367.91 = 1,392.50 : x
  2. Step 2: Convert to fraction form
    2,440.46/3,367.91 = 1,392.50/x
  3. Step 3: Cross multiply
    2,440.46x = 3,367.91 × 1,392.50
  4. Step 4: Simplify right side
    2,440.46x = 4,689,807.71
  5. Step 5: Solve for x
    x = 4,689,807.71/2,440.46
  6. Step 6: Final answer
    x = 1,921.69

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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.