Home / 1,923.55-2,872.21-1,529.11

Finding the Fourth Proportional to 1,923.55, 2,872.21 and 1,529.11

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Solution

The fourth proportional to 1,923.55, 2,872.21 and 1,529.11 is: 2,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.55 : 2,872.21 = 1,529.11 : x
  2. Step 2: Convert to fraction form
    1,923.55/2,872.21 = 1,529.11/x
  3. Step 3: Cross multiply
    1,923.55x = 2,872.21 × 1,529.11
  4. Step 4: Simplify right side
    1,923.55x = 4,391,928.86
  5. Step 5: Solve for x
    x = 4,391,928.86/1,923.55
  6. Step 6: Final answer
    x = 2,283.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.