Home / 1,758.10-2,632.28-890.60

Finding the Fourth Proportional to 1,758.10, 2,632.28 and 890.60

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Solution

The fourth proportional to 1,758.10, 2,632.28 and 890.60 is: 1,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.10 : 2,632.28 = 890.60 : x
  2. Step 2: Convert to fraction form
    1,758.10/2,632.28 = 890.60/x
  3. Step 3: Cross multiply
    1,758.10x = 2,632.28 × 890.60
  4. Step 4: Simplify right side
    1,758.10x = 2,344,308.57
  5. Step 5: Solve for x
    x = 2,344,308.57/1,758.10
  6. Step 6: Final answer
    x = 1,333.43

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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.