Home / 2,093.48-3,140.73-1,478.39

Finding the Fourth Proportional to 2,093.48, 3,140.73 and 1,478.39

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Solution

The fourth proportional to 2,093.48, 3,140.73 and 1,478.39 is: 2,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.48 : 3,140.73 = 1,478.39 : x
  2. Step 2: Convert to fraction form
    2,093.48/3,140.73 = 1,478.39/x
  3. Step 3: Cross multiply
    2,093.48x = 3,140.73 × 1,478.39
  4. Step 4: Simplify right side
    2,093.48x = 4,643,208.12
  5. Step 5: Solve for x
    x = 4,643,208.12/2,093.48
  6. Step 6: Final answer
    x = 2,217.94

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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.