Home / 2,924.40-4,384.95-2,578.56

Finding the Fourth Proportional to 2,924.40, 4,384.95 and 2,578.56

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Solution

The fourth proportional to 2,924.40, 4,384.95 and 2,578.56 is: 3,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.40 : 4,384.95 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    2,924.40/4,384.95 = 2,578.56/x
  3. Step 3: Cross multiply
    2,924.40x = 4,384.95 × 2,578.56
  4. Step 4: Simplify right side
    2,924.40x = 11,306,856.67
  5. Step 5: Solve for x
    x = 11,306,856.67/2,924.40
  6. Step 6: Final answer
    x = 3,866.39

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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.