Home / 1,790.07-2,470.29-1,004.12

Finding the Fourth Proportional to 1,790.07, 2,470.29 and 1,004.12

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Solution

The fourth proportional to 1,790.07, 2,470.29 and 1,004.12 is: 1,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.07 : 2,470.29 = 1,004.12 : x
  2. Step 2: Convert to fraction form
    1,790.07/2,470.29 = 1,004.12/x
  3. Step 3: Cross multiply
    1,790.07x = 2,470.29 × 1,004.12
  4. Step 4: Simplify right side
    1,790.07x = 2,480,467.59
  5. Step 5: Solve for x
    x = 2,480,467.59/1,790.07
  6. Step 6: Final answer
    x = 1,385.68

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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.