Home / 3,392.87-5,087.94-1,417.20

Finding the Fourth Proportional to 3,392.87, 5,087.94 and 1,417.20

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Solution

The fourth proportional to 3,392.87, 5,087.94 and 1,417.20 is: 2,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.87 : 5,087.94 = 1,417.20 : x
  2. Step 2: Convert to fraction form
    3,392.87/5,087.94 = 1,417.20/x
  3. Step 3: Cross multiply
    3,392.87x = 5,087.94 × 1,417.20
  4. Step 4: Simplify right side
    3,392.87x = 7,210,628.57
  5. Step 5: Solve for x
    x = 7,210,628.57/3,392.87
  6. Step 6: Final answer
    x = 2,125.23

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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.