Home / 3,423.08-5,133.36-1,231.28

Finding the Fourth Proportional to 3,423.08, 5,133.36 and 1,231.28

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Solution

The fourth proportional to 3,423.08, 5,133.36 and 1,231.28 is: 1,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.08 : 5,133.36 = 1,231.28 : x
  2. Step 2: Convert to fraction form
    3,423.08/5,133.36 = 1,231.28/x
  3. Step 3: Cross multiply
    3,423.08x = 5,133.36 × 1,231.28
  4. Step 4: Simplify right side
    3,423.08x = 6,320,603.50
  5. Step 5: Solve for x
    x = 6,320,603.50/3,423.08
  6. Step 6: Final answer
    x = 1,846.47

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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.