Home / 3,416.88-5,124.28-1,225.08

Finding the Fourth Proportional to 3,416.88, 5,124.28 and 1,225.08

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Solution

The fourth proportional to 3,416.88, 5,124.28 and 1,225.08 is: 1,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.88 : 5,124.28 = 1,225.08 : x
  2. Step 2: Convert to fraction form
    3,416.88/5,124.28 = 1,225.08/x
  3. Step 3: Cross multiply
    3,416.88x = 5,124.28 × 1,225.08
  4. Step 4: Simplify right side
    3,416.88x = 6,277,652.94
  5. Step 5: Solve for x
    x = 6,277,652.94/3,416.88
  6. Step 6: Final answer
    x = 1,837.25

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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.