Home / 1,707.28-2,562.20-1,269.56

Finding the Fourth Proportional to 1,707.28, 2,562.20 and 1,269.56

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Solution

The fourth proportional to 1,707.28, 2,562.20 and 1,269.56 is: 1,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.28 : 2,562.20 = 1,269.56 : x
  2. Step 2: Convert to fraction form
    1,707.28/2,562.20 = 1,269.56/x
  3. Step 3: Cross multiply
    1,707.28x = 2,562.20 × 1,269.56
  4. Step 4: Simplify right side
    1,707.28x = 3,252,866.63
  5. Step 5: Solve for x
    x = 3,252,866.63/1,707.28
  6. Step 6: Final answer
    x = 1,905.29

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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.