Home / 3,709.68-5,117.32-2,362.78

Finding the Fourth Proportional to 3,709.68, 5,117.32 and 2,362.78

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Solution

The fourth proportional to 3,709.68, 5,117.32 and 2,362.78 is: 3,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.68 : 5,117.32 = 2,362.78 : x
  2. Step 2: Convert to fraction form
    3,709.68/5,117.32 = 2,362.78/x
  3. Step 3: Cross multiply
    3,709.68x = 5,117.32 × 2,362.78
  4. Step 4: Simplify right side
    3,709.68x = 12,091,101.35
  5. Step 5: Solve for x
    x = 12,091,101.35/3,709.68
  6. Step 6: Final answer
    x = 3,259.34

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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.