Home / 3,012.48-4,488-2,865.60

Finding the Fourth Proportional to 3,012.48, 4,488 and 2,865.60

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Solution

The fourth proportional to 3,012.48, 4,488 and 2,865.60 is: 4,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.48 : 4,488 = 2,865.60 : x
  2. Step 2: Convert to fraction form
    3,012.48/4,488 = 2,865.60/x
  3. Step 3: Cross multiply
    3,012.48x = 4,488 × 2,865.60
  4. Step 4: Simplify right side
    3,012.48x = 12,860,812.80
  5. Step 5: Solve for x
    x = 12,860,812.80/3,012.48
  6. Step 6: Final answer
    x = 4,269.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.