Home / 1,391.58-2,095.54-1,004.26

Finding the Fourth Proportional to 1,391.58, 2,095.54 and 1,004.26

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Solution

The fourth proportional to 1,391.58, 2,095.54 and 1,004.26 is: 1,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391.58 : 2,095.54 = 1,004.26 : x
  2. Step 2: Convert to fraction form
    1,391.58/2,095.54 = 1,004.26/x
  3. Step 3: Cross multiply
    1,391.58x = 2,095.54 × 1,004.26
  4. Step 4: Simplify right side
    1,391.58x = 2,104,467.00
  5. Step 5: Solve for x
    x = 2,104,467.00/1,391.58
  6. Step 6: Final answer
    x = 1,512.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.