Home / 3,155.81-4,733.79-1,510.55

Finding the Fourth Proportional to 3,155.81, 4,733.79 and 1,510.55

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Solution

The fourth proportional to 3,155.81, 4,733.79 and 1,510.55 is: 2,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.81 : 4,733.79 = 1,510.55 : x
  2. Step 2: Convert to fraction form
    3,155.81/4,733.79 = 1,510.55/x
  3. Step 3: Cross multiply
    3,155.81x = 4,733.79 × 1,510.55
  4. Step 4: Simplify right side
    3,155.81x = 7,150,626.48
  5. Step 5: Solve for x
    x = 7,150,626.48/3,155.81
  6. Step 6: Final answer
    x = 2,265.86

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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.