Home / 3,153.76-4,727.82-1,303.70

Finding the Fourth Proportional to 3,153.76, 4,727.82 and 1,303.70

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Solution

The fourth proportional to 3,153.76, 4,727.82 and 1,303.70 is: 1,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.76 : 4,727.82 = 1,303.70 : x
  2. Step 2: Convert to fraction form
    3,153.76/4,727.82 = 1,303.70/x
  3. Step 3: Cross multiply
    3,153.76x = 4,727.82 × 1,303.70
  4. Step 4: Simplify right side
    3,153.76x = 6,163,640.18
  5. Step 5: Solve for x
    x = 6,163,640.18/3,153.76
  6. Step 6: Final answer
    x = 1,954.38

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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.