Home / 2,247.92-3,102.96-1,931.91

Finding the Fourth Proportional to 2,247.92, 3,102.96 and 1,931.91

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Solution

The fourth proportional to 2,247.92, 3,102.96 and 1,931.91 is: 2,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.92 : 3,102.96 = 1,931.91 : x
  2. Step 2: Convert to fraction form
    2,247.92/3,102.96 = 1,931.91/x
  3. Step 3: Cross multiply
    2,247.92x = 3,102.96 × 1,931.91
  4. Step 4: Simplify right side
    2,247.92x = 5,994,639.45
  5. Step 5: Solve for x
    x = 5,994,639.45/2,247.92
  6. Step 6: Final answer
    x = 2,666.76

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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.