Home / 1,516.56-2,079.44-1,368.56

Finding the Fourth Proportional to 1,516.56, 2,079.44 and 1,368.56

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Solution

The fourth proportional to 1,516.56, 2,079.44 and 1,368.56 is: 1,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.56 : 2,079.44 = 1,368.56 : x
  2. Step 2: Convert to fraction form
    1,516.56/2,079.44 = 1,368.56/x
  3. Step 3: Cross multiply
    1,516.56x = 2,079.44 × 1,368.56
  4. Step 4: Simplify right side
    1,516.56x = 2,845,838.41
  5. Step 5: Solve for x
    x = 2,845,838.41/1,516.56
  6. Step 6: Final answer
    x = 1,876.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.