Home / 3,153.86-4,726.63-1,396.77

Finding the Fourth Proportional to 3,153.86, 4,726.63 and 1,396.77

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Solution

The fourth proportional to 3,153.86, 4,726.63 and 1,396.77 is: 2,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.86 : 4,726.63 = 1,396.77 : x
  2. Step 2: Convert to fraction form
    3,153.86/4,726.63 = 1,396.77/x
  3. Step 3: Cross multiply
    3,153.86x = 4,726.63 × 1,396.77
  4. Step 4: Simplify right side
    3,153.86x = 6,602,014.99
  5. Step 5: Solve for x
    x = 6,602,014.99/3,153.86
  6. Step 6: Final answer
    x = 2,093.31

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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.