Home / 2,010.66-2,772.18-1,485.78

Finding the Fourth Proportional to 2,010.66, 2,772.18 and 1,485.78

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Solution

The fourth proportional to 2,010.66, 2,772.18 and 1,485.78 is: 2,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.66 : 2,772.18 = 1,485.78 : x
  2. Step 2: Convert to fraction form
    2,010.66/2,772.18 = 1,485.78/x
  3. Step 3: Cross multiply
    2,010.66x = 2,772.18 × 1,485.78
  4. Step 4: Simplify right side
    2,010.66x = 4,118,849.60
  5. Step 5: Solve for x
    x = 4,118,849.60/2,010.66
  6. Step 6: Final answer
    x = 2,048.51

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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.