Home / 2,822.48-4,230.76-1,436.84

Finding the Fourth Proportional to 2,822.48, 4,230.76 and 1,436.84

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Solution

The fourth proportional to 2,822.48, 4,230.76 and 1,436.84 is: 2,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.48 : 4,230.76 = 1,436.84 : x
  2. Step 2: Convert to fraction form
    2,822.48/4,230.76 = 1,436.84/x
  3. Step 3: Cross multiply
    2,822.48x = 4,230.76 × 1,436.84
  4. Step 4: Simplify right side
    2,822.48x = 6,078,925.20
  5. Step 5: Solve for x
    x = 6,078,925.20/2,822.48
  6. Step 6: Final answer
    x = 2,153.75

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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.