Home / 2,076.48-3,116.88-1,529.28

Finding the Fourth Proportional to 2,076.48, 3,116.88 and 1,529.28

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Solution

The fourth proportional to 2,076.48, 3,116.88 and 1,529.28 is: 2,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.48 : 3,116.88 = 1,529.28 : x
  2. Step 2: Convert to fraction form
    2,076.48/3,116.88 = 1,529.28/x
  3. Step 3: Cross multiply
    2,076.48x = 3,116.88 × 1,529.28
  4. Step 4: Simplify right side
    2,076.48x = 4,766,582.25
  5. Step 5: Solve for x
    x = 4,766,582.25/2,076.48
  6. Step 6: Final answer
    x = 2,295.51

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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.