Home / 2,021.08-2,782.74-1,757.56

Finding the Fourth Proportional to 2,021.08, 2,782.74 and 1,757.56

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Solution

The fourth proportional to 2,021.08, 2,782.74 and 1,757.56 is: 2,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.08 : 2,782.74 = 1,757.56 : x
  2. Step 2: Convert to fraction form
    2,021.08/2,782.74 = 1,757.56/x
  3. Step 3: Cross multiply
    2,021.08x = 2,782.74 × 1,757.56
  4. Step 4: Simplify right side
    2,021.08x = 4,890,832.51
  5. Step 5: Solve for x
    x = 4,890,832.51/2,021.08
  6. Step 6: Final answer
    x = 2,419.91

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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.