Home / 2,929.05-4,388.11-1,955.84

Finding the Fourth Proportional to 2,929.05, 4,388.11 and 1,955.84

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Solution

The fourth proportional to 2,929.05, 4,388.11 and 1,955.84 is: 2,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.05 : 4,388.11 = 1,955.84 : x
  2. Step 2: Convert to fraction form
    2,929.05/4,388.11 = 1,955.84/x
  3. Step 3: Cross multiply
    2,929.05x = 4,388.11 × 1,955.84
  4. Step 4: Simplify right side
    2,929.05x = 8,582,414.23
  5. Step 5: Solve for x
    x = 8,582,414.23/2,929.05
  6. Step 6: Final answer
    x = 2,930.10

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1.5x scale

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.