Home / 3,929.32-5,881.16-2,889.06

Finding the Fourth Proportional to 3,929.32, 5,881.16 and 2,889.06

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Solution

The fourth proportional to 3,929.32, 5,881.16 and 2,889.06 is: 4,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.32 : 5,881.16 = 2,889.06 : x
  2. Step 2: Convert to fraction form
    3,929.32/5,881.16 = 2,889.06/x
  3. Step 3: Cross multiply
    3,929.32x = 5,881.16 × 2,889.06
  4. Step 4: Simplify right side
    3,929.32x = 16,991,024.11
  5. Step 5: Solve for x
    x = 16,991,024.11/3,929.32
  6. Step 6: Final answer
    x = 4,324.16

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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.