Home / 3,438.23-5,158.99-1,588.33

Finding the Fourth Proportional to 3,438.23, 5,158.99 and 1,588.33

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Solution

The fourth proportional to 3,438.23, 5,158.99 and 1,588.33 is: 2,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.23 : 5,158.99 = 1,588.33 : x
  2. Step 2: Convert to fraction form
    3,438.23/5,158.99 = 1,588.33/x
  3. Step 3: Cross multiply
    3,438.23x = 5,158.99 × 1,588.33
  4. Step 4: Simplify right side
    3,438.23x = 8,194,152.79
  5. Step 5: Solve for x
    x = 8,194,152.79/3,438.23
  6. Step 6: Final answer
    x = 2,383.25

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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.