Home / 3,036.75-4,190.93-1,858.01

Finding the Fourth Proportional to 3,036.75, 4,190.93 and 1,858.01

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Solution

The fourth proportional to 3,036.75, 4,190.93 and 1,858.01 is: 2,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.75 : 4,190.93 = 1,858.01 : x
  2. Step 2: Convert to fraction form
    3,036.75/4,190.93 = 1,858.01/x
  3. Step 3: Cross multiply
    3,036.75x = 4,190.93 × 1,858.01
  4. Step 4: Simplify right side
    3,036.75x = 7,786,759.60
  5. Step 5: Solve for x
    x = 7,786,759.60/3,036.75
  6. Step 6: Final answer
    x = 2,564.18

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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.