Home / 2,558.08-3,531.54-1,563.58

Finding the Fourth Proportional to 2,558.08, 3,531.54 and 1,563.58

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Solution

The fourth proportional to 2,558.08, 3,531.54 and 1,563.58 is: 2,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.08 : 3,531.54 = 1,563.58 : x
  2. Step 2: Convert to fraction form
    2,558.08/3,531.54 = 1,563.58/x
  3. Step 3: Cross multiply
    2,558.08x = 3,531.54 × 1,563.58
  4. Step 4: Simplify right side
    2,558.08x = 5,521,845.31
  5. Step 5: Solve for x
    x = 5,521,845.31/2,558.08
  6. Step 6: Final answer
    x = 2,158.59

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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.