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Finding the Fourth Proportional to 2,570.70, 3,846.45 and 1,706.70

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Solution

The fourth proportional to 2,570.70, 3,846.45 and 1,706.70 is: 2,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.70 : 3,846.45 = 1,706.70 : x
  2. Step 2: Convert to fraction form
    2,570.70/3,846.45 = 1,706.70/x
  3. Step 3: Cross multiply
    2,570.70x = 3,846.45 × 1,706.70
  4. Step 4: Simplify right side
    2,570.70x = 6,564,736.22
  5. Step 5: Solve for x
    x = 6,564,736.22/2,570.70
  6. Step 6: Final answer
    x = 2,553.68

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1.5x scale

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.