Home / 2,619.48-3,614.52-2,089.68

Finding the Fourth Proportional to 2,619.48, 3,614.52 and 2,089.68

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Solution

The fourth proportional to 2,619.48, 3,614.52 and 2,089.68 is: 2,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.48 : 3,614.52 = 2,089.68 : x
  2. Step 2: Convert to fraction form
    2,619.48/3,614.52 = 2,089.68/x
  3. Step 3: Cross multiply
    2,619.48x = 3,614.52 × 2,089.68
  4. Step 4: Simplify right side
    2,619.48x = 7,553,190.15
  5. Step 5: Solve for x
    x = 7,553,190.15/2,619.48
  6. Step 6: Final answer
    x = 2,883.47

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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.