Home / 2,316.35-3,194.67-1,431.53

Finding the Fourth Proportional to 2,316.35, 3,194.67 and 1,431.53

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Solution

The fourth proportional to 2,316.35, 3,194.67 and 1,431.53 is: 1,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.35 : 3,194.67 = 1,431.53 : x
  2. Step 2: Convert to fraction form
    2,316.35/3,194.67 = 1,431.53/x
  3. Step 3: Cross multiply
    2,316.35x = 3,194.67 × 1,431.53
  4. Step 4: Simplify right side
    2,316.35x = 4,573,249.97
  5. Step 5: Solve for x
    x = 4,573,249.97/2,316.35
  6. Step 6: Final answer
    x = 1,974.34

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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.