Home / 2,310.66-3,187.37-1,366.13

Finding the Fourth Proportional to 2,310.66, 3,187.37 and 1,366.13

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Solution

The fourth proportional to 2,310.66, 3,187.37 and 1,366.13 is: 1,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.66 : 3,187.37 = 1,366.13 : x
  2. Step 2: Convert to fraction form
    2,310.66/3,187.37 = 1,366.13/x
  3. Step 3: Cross multiply
    2,310.66x = 3,187.37 × 1,366.13
  4. Step 4: Simplify right side
    2,310.66x = 4,354,373.16
  5. Step 5: Solve for x
    x = 4,354,373.16/2,310.66
  6. Step 6: Final answer
    x = 1,884.47

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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.