Home / 2,143.44-2,958.01-1,186.36

Finding the Fourth Proportional to 2,143.44, 2,958.01 and 1,186.36

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Solution

The fourth proportional to 2,143.44, 2,958.01 and 1,186.36 is: 1,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.44 : 2,958.01 = 1,186.36 : x
  2. Step 2: Convert to fraction form
    2,143.44/2,958.01 = 1,186.36/x
  3. Step 3: Cross multiply
    2,143.44x = 2,958.01 × 1,186.36
  4. Step 4: Simplify right side
    2,143.44x = 3,509,264.74
  5. Step 5: Solve for x
    x = 3,509,264.74/2,143.44
  6. Step 6: Final answer
    x = 1,637.21

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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.