Home / 3,093.48-4,639.05-1,921.77

Finding the Fourth Proportional to 3,093.48, 4,639.05 and 1,921.77

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Solution

The fourth proportional to 3,093.48, 4,639.05 and 1,921.77 is: 2,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.48 : 4,639.05 = 1,921.77 : x
  2. Step 2: Convert to fraction form
    3,093.48/4,639.05 = 1,921.77/x
  3. Step 3: Cross multiply
    3,093.48x = 4,639.05 × 1,921.77
  4. Step 4: Simplify right side
    3,093.48x = 8,915,187.12
  5. Step 5: Solve for x
    x = 8,915,187.12/3,093.48
  6. Step 6: Final answer
    x = 2,881.93

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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.