Home / 2,358.80-3,539.88-1,061.36

Finding the Fourth Proportional to 2,358.80, 3,539.88 and 1,061.36

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Solution

The fourth proportional to 2,358.80, 3,539.88 and 1,061.36 is: 1,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.80 : 3,539.88 = 1,061.36 : x
  2. Step 2: Convert to fraction form
    2,358.80/3,539.88 = 1,061.36/x
  3. Step 3: Cross multiply
    2,358.80x = 3,539.88 × 1,061.36
  4. Step 4: Simplify right side
    2,358.80x = 3,757,087.04
  5. Step 5: Solve for x
    x = 3,757,087.04/2,358.80
  6. Step 6: Final answer
    x = 1,592.80

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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.