Home / 1,424.48-1,968.16-1,175.60

Finding the Fourth Proportional to 1,424.48, 1,968.16 and 1,175.60

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Solution

The fourth proportional to 1,424.48, 1,968.16 and 1,175.60 is: 1,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.48 : 1,968.16 = 1,175.60 : x
  2. Step 2: Convert to fraction form
    1,424.48/1,968.16 = 1,175.60/x
  3. Step 3: Cross multiply
    1,424.48x = 1,968.16 × 1,175.60
  4. Step 4: Simplify right side
    1,424.48x = 2,313,768.90
  5. Step 5: Solve for x
    x = 2,313,768.90/1,424.48
  6. Step 6: Final answer
    x = 1,624.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.