Home / 2,661.04-3,991.44-1,018.36

Finding the Fourth Proportional to 2,661.04, 3,991.44 and 1,018.36

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Solution

The fourth proportional to 2,661.04, 3,991.44 and 1,018.36 is: 1,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.04 : 3,991.44 = 1,018.36 : x
  2. Step 2: Convert to fraction form
    2,661.04/3,991.44 = 1,018.36/x
  3. Step 3: Cross multiply
    2,661.04x = 3,991.44 × 1,018.36
  4. Step 4: Simplify right side
    2,661.04x = 4,064,722.84
  5. Step 5: Solve for x
    x = 4,064,722.84/2,661.04
  6. Step 6: Final answer
    x = 1,527.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.