Home / 1,558.88-2,151.31-895.94

Finding the Fourth Proportional to 1,558.88, 2,151.31 and 895.94

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Solution

The fourth proportional to 1,558.88, 2,151.31 and 895.94 is: 1,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.88 : 2,151.31 = 895.94 : x
  2. Step 2: Convert to fraction form
    1,558.88/2,151.31 = 895.94/x
  3. Step 3: Cross multiply
    1,558.88x = 2,151.31 × 895.94
  4. Step 4: Simplify right side
    1,558.88x = 1,927,433.92
  5. Step 5: Solve for x
    x = 1,927,433.92/1,558.88
  6. Step 6: Final answer
    x = 1,236.43

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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.