Home / 3,805.19-5,707.80-1,615.44

Finding the Fourth Proportional to 3,805.19, 5,707.80 and 1,615.44

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Solution

The fourth proportional to 3,805.19, 5,707.80 and 1,615.44 is: 2,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.19 : 5,707.80 = 1,615.44 : x
  2. Step 2: Convert to fraction form
    3,805.19/5,707.80 = 1,615.44/x
  3. Step 3: Cross multiply
    3,805.19x = 5,707.80 × 1,615.44
  4. Step 4: Simplify right side
    3,805.19x = 9,220,608.43
  5. Step 5: Solve for x
    x = 9,220,608.43/3,805.19
  6. Step 6: Final answer
    x = 2,423.17

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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.