Home / 3,805.14-5,707.47-1,340.18

Finding the Fourth Proportional to 3,805.14, 5,707.47 and 1,340.18

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Solution

The fourth proportional to 3,805.14, 5,707.47 and 1,340.18 is: 2,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.14 : 5,707.47 = 1,340.18 : x
  2. Step 2: Convert to fraction form
    3,805.14/5,707.47 = 1,340.18/x
  3. Step 3: Cross multiply
    3,805.14x = 5,707.47 × 1,340.18
  4. Step 4: Simplify right side
    3,805.14x = 7,649,037.14
  5. Step 5: Solve for x
    x = 7,649,037.14/3,805.14
  6. Step 6: Final answer
    x = 2,010.19

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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.