Home / 3,439.07-5,157.78-1,588.41

Finding the Fourth Proportional to 3,439.07, 5,157.78 and 1,588.41

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Solution

The fourth proportional to 3,439.07, 5,157.78 and 1,588.41 is: 2,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.07 : 5,157.78 = 1,588.41 : x
  2. Step 2: Convert to fraction form
    3,439.07/5,157.78 = 1,588.41/x
  3. Step 3: Cross multiply
    3,439.07x = 5,157.78 × 1,588.41
  4. Step 4: Simplify right side
    3,439.07x = 8,192,672.31
  5. Step 5: Solve for x
    x = 8,192,672.31/3,439.07
  6. Step 6: Final answer
    x = 2,382.23

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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.