Home / 3,036.48-4,190.16-1,917.04

Finding the Fourth Proportional to 3,036.48, 4,190.16 and 1,917.04

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Solution

The fourth proportional to 3,036.48, 4,190.16 and 1,917.04 is: 2,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.48 : 4,190.16 = 1,917.04 : x
  2. Step 2: Convert to fraction form
    3,036.48/4,190.16 = 1,917.04/x
  3. Step 3: Cross multiply
    3,036.48x = 4,190.16 × 1,917.04
  4. Step 4: Simplify right side
    3,036.48x = 8,032,704.33
  5. Step 5: Solve for x
    x = 8,032,704.33/3,036.48
  6. Step 6: Final answer
    x = 2,645.40

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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.