Home / 1,732.20-2,598.90-758.36

Finding the Fourth Proportional to 1,732.20, 2,598.90 and 758.36

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Solution

The fourth proportional to 1,732.20, 2,598.90 and 758.36 is: 1,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.20 : 2,598.90 = 758.36 : x
  2. Step 2: Convert to fraction form
    1,732.20/2,598.90 = 758.36/x
  3. Step 3: Cross multiply
    1,732.20x = 2,598.90 × 758.36
  4. Step 4: Simplify right side
    1,732.20x = 1,970,901.80
  5. Step 5: Solve for x
    x = 1,970,901.80/1,732.20
  6. Step 6: Final answer
    x = 1,137.80

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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.