Home / 2,680.07-3,698.37-1,895.18

Finding the Fourth Proportional to 2,680.07, 3,698.37 and 1,895.18

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Solution

The fourth proportional to 2,680.07, 3,698.37 and 1,895.18 is: 2,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.07 : 3,698.37 = 1,895.18 : x
  2. Step 2: Convert to fraction form
    2,680.07/3,698.37 = 1,895.18/x
  3. Step 3: Cross multiply
    2,680.07x = 3,698.37 × 1,895.18
  4. Step 4: Simplify right side
    2,680.07x = 7,009,058.36
  5. Step 5: Solve for x
    x = 7,009,058.36/2,680.07
  6. Step 6: Final answer
    x = 2,615.26

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1.5x scale

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.