Home / 3,086.16-4,259.44-1,828

Finding the Fourth Proportional to 3,086.16, 4,259.44 and 1,828

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Solution

The fourth proportional to 3,086.16, 4,259.44 and 1,828 is: 2,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.16 : 4,259.44 = 1,828 : x
  2. Step 2: Convert to fraction form
    3,086.16/4,259.44 = 1,828/x
  3. Step 3: Cross multiply
    3,086.16x = 4,259.44 × 1,828
  4. Step 4: Simplify right side
    3,086.16x = 7,786,256.32
  5. Step 5: Solve for x
    x = 7,786,256.32/3,086.16
  6. Step 6: Final answer
    x = 2,522.96

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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.