Home / 3,416.39-5,124.57-1,225.28

Finding the Fourth Proportional to 3,416.39, 5,124.57 and 1,225.28

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Solution

The fourth proportional to 3,416.39, 5,124.57 and 1,225.28 is: 1,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.39 : 5,124.57 = 1,225.28 : x
  2. Step 2: Convert to fraction form
    3,416.39/5,124.57 = 1,225.28/x
  3. Step 3: Cross multiply
    3,416.39x = 5,124.57 × 1,225.28
  4. Step 4: Simplify right side
    3,416.39x = 6,279,033.13
  5. Step 5: Solve for x
    x = 6,279,033.13/3,416.39
  6. Step 6: Final answer
    x = 1,837.91

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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.