Home / 2,558.76-3,531.42-1,563.84

Finding the Fourth Proportional to 2,558.76, 3,531.42 and 1,563.84

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Solution

The fourth proportional to 2,558.76, 3,531.42 and 1,563.84 is: 2,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.76 : 3,531.42 = 1,563.84 : x
  2. Step 2: Convert to fraction form
    2,558.76/3,531.42 = 1,563.84/x
  3. Step 3: Cross multiply
    2,558.76x = 3,531.42 × 1,563.84
  4. Step 4: Simplify right side
    2,558.76x = 5,522,575.85
  5. Step 5: Solve for x
    x = 5,522,575.85/2,558.76
  6. Step 6: Final answer
    x = 2,158.30

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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.