Home / 3,411.52-5,117.73-1,190.80

Finding the Fourth Proportional to 3,411.52, 5,117.73 and 1,190.80

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Solution

The fourth proportional to 3,411.52, 5,117.73 and 1,190.80 is: 1,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.52 : 5,117.73 = 1,190.80 : x
  2. Step 2: Convert to fraction form
    3,411.52/5,117.73 = 1,190.80/x
  3. Step 3: Cross multiply
    3,411.52x = 5,117.73 × 1,190.80
  4. Step 4: Simplify right side
    3,411.52x = 6,094,201.51
  5. Step 5: Solve for x
    x = 6,094,201.51/3,411.52
  6. Step 6: Final answer
    x = 1,786.36

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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.