Home / 2,831.67-4,244.40-1,189.26

Finding the Fourth Proportional to 2,831.67, 4,244.40 and 1,189.26

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Solution

The fourth proportional to 2,831.67, 4,244.40 and 1,189.26 is: 1,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.67 : 4,244.40 = 1,189.26 : x
  2. Step 2: Convert to fraction form
    2,831.67/4,244.40 = 1,189.26/x
  3. Step 3: Cross multiply
    2,831.67x = 4,244.40 × 1,189.26
  4. Step 4: Simplify right side
    2,831.67x = 5,047,695.14
  5. Step 5: Solve for x
    x = 5,047,695.14/2,831.67
  6. Step 6: Final answer
    x = 1,782.59

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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.