Home / 1,516.14-2,091.32-955.63

Finding the Fourth Proportional to 1,516.14, 2,091.32 and 955.63

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Solution

The fourth proportional to 1,516.14, 2,091.32 and 955.63 is: 1,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.14 : 2,091.32 = 955.63 : x
  2. Step 2: Convert to fraction form
    1,516.14/2,091.32 = 955.63/x
  3. Step 3: Cross multiply
    1,516.14x = 2,091.32 × 955.63
  4. Step 4: Simplify right side
    1,516.14x = 1,998,523.35
  5. Step 5: Solve for x
    x = 1,998,523.35/1,516.14
  6. Step 6: Final answer
    x = 1,318.17

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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.