Home / 2,316.66-3,195.80-1,550.36

Finding the Fourth Proportional to 2,316.66, 3,195.80 and 1,550.36

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Solution

The fourth proportional to 2,316.66, 3,195.80 and 1,550.36 is: 2,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.66 : 3,195.80 = 1,550.36 : x
  2. Step 2: Convert to fraction form
    2,316.66/3,195.80 = 1,550.36/x
  3. Step 3: Cross multiply
    2,316.66x = 3,195.80 × 1,550.36
  4. Step 4: Simplify right side
    2,316.66x = 4,954,640.49
  5. Step 5: Solve for x
    x = 4,954,640.49/2,316.66
  6. Step 6: Final answer
    x = 2,138.70

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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.