Home / 3,897.18-5,847.75-1,705.92

Finding the Fourth Proportional to 3,897.18, 5,847.75 and 1,705.92

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Solution

The fourth proportional to 3,897.18, 5,847.75 and 1,705.92 is: 2,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.18 : 5,847.75 = 1,705.92 : x
  2. Step 2: Convert to fraction form
    3,897.18/5,847.75 = 1,705.92/x
  3. Step 3: Cross multiply
    3,897.18x = 5,847.75 × 1,705.92
  4. Step 4: Simplify right side
    3,897.18x = 9,975,793.68
  5. Step 5: Solve for x
    x = 9,975,793.68/3,897.18
  6. Step 6: Final answer
    x = 2,559.75

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1.5x scale

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.