Home / 2,529.79-3,795.09-1,069.16

Finding the Fourth Proportional to 2,529.79, 3,795.09 and 1,069.16

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Solution

The fourth proportional to 2,529.79, 3,795.09 and 1,069.16 is: 1,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.79 : 3,795.09 = 1,069.16 : x
  2. Step 2: Convert to fraction form
    2,529.79/3,795.09 = 1,069.16/x
  3. Step 3: Cross multiply
    2,529.79x = 3,795.09 × 1,069.16
  4. Step 4: Simplify right side
    2,529.79x = 4,057,558.42
  5. Step 5: Solve for x
    x = 4,057,558.42/2,529.79
  6. Step 6: Final answer
    x = 1,603.91

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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.