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Finding the Fourth Proportional to 1,735.80, 2,606.40 and 1,006.80

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Solution

The fourth proportional to 1,735.80, 2,606.40 and 1,006.80 is: 1,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.80 : 2,606.40 = 1,006.80 : x
  2. Step 2: Convert to fraction form
    1,735.80/2,606.40 = 1,006.80/x
  3. Step 3: Cross multiply
    1,735.80x = 2,606.40 × 1,006.80
  4. Step 4: Simplify right side
    1,735.80x = 2,624,123.52
  5. Step 5: Solve for x
    x = 2,624,123.52/1,735.80
  6. Step 6: Final answer
    x = 1,511.77

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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.