Home / 1,561.77-2,344.68-1,099.76

Finding the Fourth Proportional to 1,561.77, 2,344.68 and 1,099.76

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Solution

The fourth proportional to 1,561.77, 2,344.68 and 1,099.76 is: 1,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.77 : 2,344.68 = 1,099.76 : x
  2. Step 2: Convert to fraction form
    1,561.77/2,344.68 = 1,099.76/x
  3. Step 3: Cross multiply
    1,561.77x = 2,344.68 × 1,099.76
  4. Step 4: Simplify right side
    1,561.77x = 2,578,573.55
  5. Step 5: Solve for x
    x = 2,578,573.55/1,561.77
  6. Step 6: Final answer
    x = 1,651.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.