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Finding the Fourth Proportional to 1,933.86, 2,900.76 and 1,495.77

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Solution

The fourth proportional to 1,933.86, 2,900.76 and 1,495.77 is: 2,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.86 : 2,900.76 = 1,495.77 : x
  2. Step 2: Convert to fraction form
    1,933.86/2,900.76 = 1,495.77/x
  3. Step 3: Cross multiply
    1,933.86x = 2,900.76 × 1,495.77
  4. Step 4: Simplify right side
    1,933.86x = 4,338,869.79
  5. Step 5: Solve for x
    x = 4,338,869.79/1,933.86
  6. Step 6: Final answer
    x = 2,243.63

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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.