Home / 4,235.36-6,349.26-2,154.20

Finding the Fourth Proportional to 4,235.36, 6,349.26 and 2,154.20

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Solution

The fourth proportional to 4,235.36, 6,349.26 and 2,154.20 is: 3,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.36 : 6,349.26 = 2,154.20 : x
  2. Step 2: Convert to fraction form
    4,235.36/6,349.26 = 2,154.20/x
  3. Step 3: Cross multiply
    4,235.36x = 6,349.26 × 2,154.20
  4. Step 4: Simplify right side
    4,235.36x = 13,677,575.89
  5. Step 5: Solve for x
    x = 13,677,575.89/4,235.36
  6. Step 6: Final answer
    x = 3,229.38

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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.