Home / 1,790.18-2,470.44-1,004.23

Finding the Fourth Proportional to 1,790.18, 2,470.44 and 1,004.23

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Solution

The fourth proportional to 1,790.18, 2,470.44 and 1,004.23 is: 1,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.18 : 2,470.44 = 1,004.23 : x
  2. Step 2: Convert to fraction form
    1,790.18/2,470.44 = 1,004.23/x
  3. Step 3: Cross multiply
    1,790.18x = 2,470.44 × 1,004.23
  4. Step 4: Simplify right side
    1,790.18x = 2,480,889.96
  5. Step 5: Solve for x
    x = 2,480,889.96/1,790.18
  6. Step 6: Final answer
    x = 1,385.83

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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.