Home / 1,790.51-2,470.91-1,004.54

Finding the Fourth Proportional to 1,790.51, 2,470.91 and 1,004.54

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Solution

The fourth proportional to 1,790.51, 2,470.91 and 1,004.54 is: 1,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.51 : 2,470.91 = 1,004.54 : x
  2. Step 2: Convert to fraction form
    1,790.51/2,470.91 = 1,004.54/x
  3. Step 3: Cross multiply
    1,790.51x = 2,470.91 × 1,004.54
  4. Step 4: Simplify right side
    1,790.51x = 2,482,110.55
  5. Step 5: Solve for x
    x = 2,482,110.55/1,790.51
  6. Step 6: Final answer
    x = 1,386.26

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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.