Home / 2,184.97-3,015.28-1,190.26

Finding the Fourth Proportional to 2,184.97, 3,015.28 and 1,190.26

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Solution

The fourth proportional to 2,184.97, 3,015.28 and 1,190.26 is: 1,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.97 : 3,015.28 = 1,190.26 : x
  2. Step 2: Convert to fraction form
    2,184.97/3,015.28 = 1,190.26/x
  3. Step 3: Cross multiply
    2,184.97x = 3,015.28 × 1,190.26
  4. Step 4: Simplify right side
    2,184.97x = 3,588,967.17
  5. Step 5: Solve for x
    x = 3,588,967.17/2,184.97
  6. Step 6: Final answer
    x = 1,642.57

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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.