Home / 1,825.18-2,735.30-1,045.15

Finding the Fourth Proportional to 1,825.18, 2,735.30 and 1,045.15

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Solution

The fourth proportional to 1,825.18, 2,735.30 and 1,045.15 is: 1,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.18 : 2,735.30 = 1,045.15 : x
  2. Step 2: Convert to fraction form
    1,825.18/2,735.30 = 1,045.15/x
  3. Step 3: Cross multiply
    1,825.18x = 2,735.30 × 1,045.15
  4. Step 4: Simplify right side
    1,825.18x = 2,858,794.57
  5. Step 5: Solve for x
    x = 2,858,794.57/1,825.18
  6. Step 6: Final answer
    x = 1,566.31

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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.