Home / 1,790.32-2,470.80-1,004.52

Finding the Fourth Proportional to 1,790.32, 2,470.80 and 1,004.52

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Solution

The fourth proportional to 1,790.32, 2,470.80 and 1,004.52 is: 1,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.32 : 2,470.80 = 1,004.52 : x
  2. Step 2: Convert to fraction form
    1,790.32/2,470.80 = 1,004.52/x
  3. Step 3: Cross multiply
    1,790.32x = 2,470.80 × 1,004.52
  4. Step 4: Simplify right side
    1,790.32x = 2,481,968.02
  5. Step 5: Solve for x
    x = 2,481,968.02/1,790.32
  6. Step 6: Final answer
    x = 1,386.33

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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.