Home / 2,004.30-2,756.16-1,782.90

Finding the Fourth Proportional to 2,004.30, 2,756.16 and 1,782.90

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Solution

The fourth proportional to 2,004.30, 2,756.16 and 1,782.90 is: 2,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.30 : 2,756.16 = 1,782.90 : x
  2. Step 2: Convert to fraction form
    2,004.30/2,756.16 = 1,782.90/x
  3. Step 3: Cross multiply
    2,004.30x = 2,756.16 × 1,782.90
  4. Step 4: Simplify right side
    2,004.30x = 4,913,957.66
  5. Step 5: Solve for x
    x = 4,913,957.66/2,004.30
  6. Step 6: Final answer
    x = 2,451.71

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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.