Home / 2,651.48-3,977.24-802.60

Finding the Fourth Proportional to 2,651.48, 3,977.24 and 802.60

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Solution

The fourth proportional to 2,651.48, 3,977.24 and 802.60 is: 1,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.48 : 3,977.24 = 802.60 : x
  2. Step 2: Convert to fraction form
    2,651.48/3,977.24 = 802.60/x
  3. Step 3: Cross multiply
    2,651.48x = 3,977.24 × 802.60
  4. Step 4: Simplify right side
    2,651.48x = 3,192,132.82
  5. Step 5: Solve for x
    x = 3,192,132.82/2,651.48
  6. Step 6: Final answer
    x = 1,203.91

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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.