Home / 1,888.22-2,606.49-1,558.14

Finding the Fourth Proportional to 1,888.22, 2,606.49 and 1,558.14

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Solution

The fourth proportional to 1,888.22, 2,606.49 and 1,558.14 is: 2,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.22 : 2,606.49 = 1,558.14 : x
  2. Step 2: Convert to fraction form
    1,888.22/2,606.49 = 1,558.14/x
  3. Step 3: Cross multiply
    1,888.22x = 2,606.49 × 1,558.14
  4. Step 4: Simplify right side
    1,888.22x = 4,061,276.33
  5. Step 5: Solve for x
    x = 4,061,276.33/1,888.22
  6. Step 6: Final answer
    x = 2,150.85

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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.