Home / 3,783.40-5,675.55-1,591.54

Finding the Fourth Proportional to 3,783.40, 5,675.55 and 1,591.54

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Solution

The fourth proportional to 3,783.40, 5,675.55 and 1,591.54 is: 2,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.40 : 5,675.55 = 1,591.54 : x
  2. Step 2: Convert to fraction form
    3,783.40/5,675.55 = 1,591.54/x
  3. Step 3: Cross multiply
    3,783.40x = 5,675.55 × 1,591.54
  4. Step 4: Simplify right side
    3,783.40x = 9,032,864.85
  5. Step 5: Solve for x
    x = 9,032,864.85/3,783.40
  6. Step 6: Final answer
    x = 2,387.50

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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.