Home / 3,418.19-5,124.09-1,225.72

Finding the Fourth Proportional to 3,418.19, 5,124.09 and 1,225.72

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Solution

The fourth proportional to 3,418.19, 5,124.09 and 1,225.72 is: 1,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.19 : 5,124.09 = 1,225.72 : x
  2. Step 2: Convert to fraction form
    3,418.19/5,124.09 = 1,225.72/x
  3. Step 3: Cross multiply
    3,418.19x = 5,124.09 × 1,225.72
  4. Step 4: Simplify right side
    3,418.19x = 6,280,699.59
  5. Step 5: Solve for x
    x = 6,280,699.59/3,418.19
  6. Step 6: Final answer
    x = 1,837.43

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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.