Home / 1,637.70-2,452.95-1,269.60

Finding the Fourth Proportional to 1,637.70, 2,452.95 and 1,269.60

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Solution

The fourth proportional to 1,637.70, 2,452.95 and 1,269.60 is: 1,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.70 : 2,452.95 = 1,269.60 : x
  2. Step 2: Convert to fraction form
    1,637.70/2,452.95 = 1,269.60/x
  3. Step 3: Cross multiply
    1,637.70x = 2,452.95 × 1,269.60
  4. Step 4: Simplify right side
    1,637.70x = 3,114,265.32
  5. Step 5: Solve for x
    x = 3,114,265.32/1,637.70
  6. Step 6: Final answer
    x = 1,901.61

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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.