Home / 3,540.60-5,300.91-1,870.94

Finding the Fourth Proportional to 3,540.60, 5,300.91 and 1,870.94

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Solution

The fourth proportional to 3,540.60, 5,300.91 and 1,870.94 is: 2,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.60 : 5,300.91 = 1,870.94 : x
  2. Step 2: Convert to fraction form
    3,540.60/5,300.91 = 1,870.94/x
  3. Step 3: Cross multiply
    3,540.60x = 5,300.91 × 1,870.94
  4. Step 4: Simplify right side
    3,540.60x = 9,917,675.20
  5. Step 5: Solve for x
    x = 9,917,675.20/3,540.60
  6. Step 6: Final answer
    x = 2,801.13

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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.