Home / 1,451.10-2,175.03-1,176.60

Finding the Fourth Proportional to 1,451.10, 2,175.03 and 1,176.60

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Solution

The fourth proportional to 1,451.10, 2,175.03 and 1,176.60 is: 1,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.10 : 2,175.03 = 1,176.60 : x
  2. Step 2: Convert to fraction form
    1,451.10/2,175.03 = 1,176.60/x
  3. Step 3: Cross multiply
    1,451.10x = 2,175.03 × 1,176.60
  4. Step 4: Simplify right side
    1,451.10x = 2,559,140.30
  5. Step 5: Solve for x
    x = 2,559,140.30/1,451.10
  6. Step 6: Final answer
    x = 1,763.59

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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.