Home / 2,559.77-3,531.70-1,563.99

Finding the Fourth Proportional to 2,559.77, 3,531.70 and 1,563.99

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Solution

The fourth proportional to 2,559.77, 3,531.70 and 1,563.99 is: 2,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.77 : 3,531.70 = 1,563.99 : x
  2. Step 2: Convert to fraction form
    2,559.77/3,531.70 = 1,563.99/x
  3. Step 3: Cross multiply
    2,559.77x = 3,531.70 × 1,563.99
  4. Step 4: Simplify right side
    2,559.77x = 5,523,543.48
  5. Step 5: Solve for x
    x = 5,523,543.48/2,559.77
  6. Step 6: Final answer
    x = 2,157.83

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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.