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Finding the Fourth Proportional to 1,850.74, 2,756.23 and 1,770.77

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Solution

The fourth proportional to 1,850.74, 2,756.23 and 1,770.77 is: 2,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.74 : 2,756.23 = 1,770.77 : x
  2. Step 2: Convert to fraction form
    1,850.74/2,756.23 = 1,770.77/x
  3. Step 3: Cross multiply
    1,850.74x = 2,756.23 × 1,770.77
  4. Step 4: Simplify right side
    1,850.74x = 4,880,651.86
  5. Step 5: Solve for x
    x = 4,880,651.86/1,850.74
  6. Step 6: Final answer
    x = 2,637.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.