Home / 3,717.09-5,128.92-2,225.07

Finding the Fourth Proportional to 3,717.09, 5,128.92 and 2,225.07

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Solution

The fourth proportional to 3,717.09, 5,128.92 and 2,225.07 is: 3,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.09 : 5,128.92 = 2,225.07 : x
  2. Step 2: Convert to fraction form
    3,717.09/5,128.92 = 2,225.07/x
  3. Step 3: Cross multiply
    3,717.09x = 5,128.92 × 2,225.07
  4. Step 4: Simplify right side
    3,717.09x = 11,412,206.02
  5. Step 5: Solve for x
    x = 11,412,206.02/3,717.09
  6. Step 6: Final answer
    x = 3,070.20

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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.