Home / 3,136.17-4,704.70-945.07

Finding the Fourth Proportional to 3,136.17, 4,704.70 and 945.07

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Solution

The fourth proportional to 3,136.17, 4,704.70 and 945.07 is: 1,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.17 : 4,704.70 = 945.07 : x
  2. Step 2: Convert to fraction form
    3,136.17/4,704.70 = 945.07/x
  3. Step 3: Cross multiply
    3,136.17x = 4,704.70 × 945.07
  4. Step 4: Simplify right side
    3,136.17x = 4,446,258.48
  5. Step 5: Solve for x
    x = 4,446,258.48/3,136.17
  6. Step 6: Final answer
    x = 1,417.74

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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.