Home / 3,487.48-4,811.54-1,994.33

Finding the Fourth Proportional to 3,487.48, 4,811.54 and 1,994.33

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Solution

The fourth proportional to 3,487.48, 4,811.54 and 1,994.33 is: 2,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.48 : 4,811.54 = 1,994.33 : x
  2. Step 2: Convert to fraction form
    3,487.48/4,811.54 = 1,994.33/x
  3. Step 3: Cross multiply
    3,487.48x = 4,811.54 × 1,994.33
  4. Step 4: Simplify right side
    3,487.48x = 9,595,787.09
  5. Step 5: Solve for x
    x = 9,595,787.09/3,487.48
  6. Step 6: Final answer
    x = 2,751.50

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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.