Home / 2,619.14-3,614.42-1,440.18

Finding the Fourth Proportional to 2,619.14, 3,614.42 and 1,440.18

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Solution

The fourth proportional to 2,619.14, 3,614.42 and 1,440.18 is: 1,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.14 : 3,614.42 = 1,440.18 : x
  2. Step 2: Convert to fraction form
    2,619.14/3,614.42 = 1,440.18/x
  3. Step 3: Cross multiply
    2,619.14x = 3,614.42 × 1,440.18
  4. Step 4: Simplify right side
    2,619.14x = 5,205,419.00
  5. Step 5: Solve for x
    x = 5,205,419.00/2,619.14
  6. Step 6: Final answer
    x = 1,987.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.