Home / 3,929.64-5,897.96-2,952.76

Finding the Fourth Proportional to 3,929.64, 5,897.96 and 2,952.76

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Solution

The fourth proportional to 3,929.64, 5,897.96 and 2,952.76 is: 4,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.64 : 5,897.96 = 2,952.76 : x
  2. Step 2: Convert to fraction form
    3,929.64/5,897.96 = 2,952.76/x
  3. Step 3: Cross multiply
    3,929.64x = 5,897.96 × 2,952.76
  4. Step 4: Simplify right side
    3,929.64x = 17,415,260.37
  5. Step 5: Solve for x
    x = 17,415,260.37/3,929.64
  6. Step 6: Final answer
    x = 4,431.77

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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.