Home / 3,619.47-4,993.12-2,557.42

Finding the Fourth Proportional to 3,619.47, 4,993.12 and 2,557.42

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Solution

The fourth proportional to 3,619.47, 4,993.12 and 2,557.42 is: 3,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.47 : 4,993.12 = 2,557.42 : x
  2. Step 2: Convert to fraction form
    3,619.47/4,993.12 = 2,557.42/x
  3. Step 3: Cross multiply
    3,619.47x = 4,993.12 × 2,557.42
  4. Step 4: Simplify right side
    3,619.47x = 12,769,504.95
  5. Step 5: Solve for x
    x = 12,769,504.95/3,619.47
  6. Step 6: Final answer
    x = 3,528.00

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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.