Home / 2,929.68-4,392.14-1,284.98

Finding the Fourth Proportional to 2,929.68, 4,392.14 and 1,284.98

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Solution

The fourth proportional to 2,929.68, 4,392.14 and 1,284.98 is: 1,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.68 : 4,392.14 = 1,284.98 : x
  2. Step 2: Convert to fraction form
    2,929.68/4,392.14 = 1,284.98/x
  3. Step 3: Cross multiply
    2,929.68x = 4,392.14 × 1,284.98
  4. Step 4: Simplify right side
    2,929.68x = 5,643,783.67
  5. Step 5: Solve for x
    x = 5,643,783.67/2,929.68
  6. Step 6: Final answer
    x = 1,926.42

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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.