Home / 2,432.64-3,356.87-1,384.50

Finding the Fourth Proportional to 2,432.64, 3,356.87 and 1,384.50

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Solution

The fourth proportional to 2,432.64, 3,356.87 and 1,384.50 is: 1,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.64 : 3,356.87 = 1,384.50 : x
  2. Step 2: Convert to fraction form
    2,432.64/3,356.87 = 1,384.50/x
  3. Step 3: Cross multiply
    2,432.64x = 3,356.87 × 1,384.50
  4. Step 4: Simplify right side
    2,432.64x = 4,647,579.59
  5. Step 5: Solve for x
    x = 4,647,579.59/2,432.64
  6. Step 6: Final answer
    x = 1,910.51

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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.