Home / 2,176.37-3,264.95-695.79

Finding the Fourth Proportional to 2,176.37, 3,264.95 and 695.79

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Solution

The fourth proportional to 2,176.37, 3,264.95 and 695.79 is: 1,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.37 : 3,264.95 = 695.79 : x
  2. Step 2: Convert to fraction form
    2,176.37/3,264.95 = 695.79/x
  3. Step 3: Cross multiply
    2,176.37x = 3,264.95 × 695.79
  4. Step 4: Simplify right side
    2,176.37x = 2,271,716.08
  5. Step 5: Solve for x
    x = 2,271,716.08/2,176.37
  6. Step 6: Final answer
    x = 1,043.81

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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.