Home / 2,053.50-3,081.93-1,438.44

Finding the Fourth Proportional to 2,053.50, 3,081.93 and 1,438.44

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Solution

The fourth proportional to 2,053.50, 3,081.93 and 1,438.44 is: 2,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.50 : 3,081.93 = 1,438.44 : x
  2. Step 2: Convert to fraction form
    2,053.50/3,081.93 = 1,438.44/x
  3. Step 3: Cross multiply
    2,053.50x = 3,081.93 × 1,438.44
  4. Step 4: Simplify right side
    2,053.50x = 4,433,171.39
  5. Step 5: Solve for x
    x = 4,433,171.39/2,053.50
  6. Step 6: Final answer
    x = 2,158.84

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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.