Home / 1,931.18-2,664.24-1,183.85

Finding the Fourth Proportional to 1,931.18, 2,664.24 and 1,183.85

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Solution

The fourth proportional to 1,931.18, 2,664.24 and 1,183.85 is: 1,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.18 : 2,664.24 = 1,183.85 : x
  2. Step 2: Convert to fraction form
    1,931.18/2,664.24 = 1,183.85/x
  3. Step 3: Cross multiply
    1,931.18x = 2,664.24 × 1,183.85
  4. Step 4: Simplify right side
    1,931.18x = 3,154,047.20
  5. Step 5: Solve for x
    x = 3,154,047.20/1,931.18
  6. Step 6: Final answer
    x = 1,633.23

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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.