Home / 2,421.39-3,633.46-2,015.44

Finding the Fourth Proportional to 2,421.39, 3,633.46 and 2,015.44

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Solution

The fourth proportional to 2,421.39, 3,633.46 and 2,015.44 is: 3,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.39 : 3,633.46 = 2,015.44 : x
  2. Step 2: Convert to fraction form
    2,421.39/3,633.46 = 2,015.44/x
  3. Step 3: Cross multiply
    2,421.39x = 3,633.46 × 2,015.44
  4. Step 4: Simplify right side
    2,421.39x = 7,323,020.62
  5. Step 5: Solve for x
    x = 7,323,020.62/2,421.39
  6. Step 6: Final answer
    x = 3,024.31

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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.