Home / 2,929.92-4,035.36-2,485.12

Finding the Fourth Proportional to 2,929.92, 4,035.36 and 2,485.12

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Solution

The fourth proportional to 2,929.92, 4,035.36 and 2,485.12 is: 3,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.92 : 4,035.36 = 2,485.12 : x
  2. Step 2: Convert to fraction form
    2,929.92/4,035.36 = 2,485.12/x
  3. Step 3: Cross multiply
    2,929.92x = 4,035.36 × 2,485.12
  4. Step 4: Simplify right side
    2,929.92x = 10,028,353.84
  5. Step 5: Solve for x
    x = 10,028,353.84/2,929.92
  6. Step 6: Final answer
    x = 3,422.74

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1.5x scale

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.