Home / 3,392.37-5,087.49-1,312.22

Finding the Fourth Proportional to 3,392.37, 5,087.49 and 1,312.22

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Solution

The fourth proportional to 3,392.37, 5,087.49 and 1,312.22 is: 1,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.37 : 5,087.49 = 1,312.22 : x
  2. Step 2: Convert to fraction form
    3,392.37/5,087.49 = 1,312.22/x
  3. Step 3: Cross multiply
    3,392.37x = 5,087.49 × 1,312.22
  4. Step 4: Simplify right side
    3,392.37x = 6,675,880.69
  5. Step 5: Solve for x
    x = 6,675,880.69/3,392.37
  6. Step 6: Final answer
    x = 1,967.91

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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.