Home / 3,717.36-5,129.93-2,225.34

Finding the Fourth Proportional to 3,717.36, 5,129.93 and 2,225.34

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Solution

The fourth proportional to 3,717.36, 5,129.93 and 2,225.34 is: 3,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.36 : 5,129.93 = 2,225.34 : x
  2. Step 2: Convert to fraction form
    3,717.36/5,129.93 = 2,225.34/x
  3. Step 3: Cross multiply
    3,717.36x = 5,129.93 × 2,225.34
  4. Step 4: Simplify right side
    3,717.36x = 11,415,843.99
  5. Step 5: Solve for x
    x = 11,415,843.99/3,717.36
  6. Step 6: Final answer
    x = 3,070.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.