Home / 3,698.95-5,548.28-2,520.54

Finding the Fourth Proportional to 3,698.95, 5,548.28 and 2,520.54

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Solution

The fourth proportional to 3,698.95, 5,548.28 and 2,520.54 is: 3,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.95 : 5,548.28 = 2,520.54 : x
  2. Step 2: Convert to fraction form
    3,698.95/5,548.28 = 2,520.54/x
  3. Step 3: Cross multiply
    3,698.95x = 5,548.28 × 2,520.54
  4. Step 4: Simplify right side
    3,698.95x = 13,984,621.33
  5. Step 5: Solve for x
    x = 13,984,621.33/3,698.95
  6. Step 6: Final answer
    x = 3,780.70

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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.