Home / 3,126.36-4,686.78-1,483.38

Finding the Fourth Proportional to 3,126.36, 4,686.78 and 1,483.38

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Solution

The fourth proportional to 3,126.36, 4,686.78 and 1,483.38 is: 2,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.36 : 4,686.78 = 1,483.38 : x
  2. Step 2: Convert to fraction form
    3,126.36/4,686.78 = 1,483.38/x
  3. Step 3: Cross multiply
    3,126.36x = 4,686.78 × 1,483.38
  4. Step 4: Simplify right side
    3,126.36x = 6,952,275.72
  5. Step 5: Solve for x
    x = 6,952,275.72/3,126.36
  6. Step 6: Final answer
    x = 2,223.76

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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.