Home / 2,004.51-2,768.48-1,977.19

Finding the Fourth Proportional to 2,004.51, 2,768.48 and 1,977.19

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Solution

The fourth proportional to 2,004.51, 2,768.48 and 1,977.19 is: 2,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.51 : 2,768.48 = 1,977.19 : x
  2. Step 2: Convert to fraction form
    2,004.51/2,768.48 = 1,977.19/x
  3. Step 3: Cross multiply
    2,004.51x = 2,768.48 × 1,977.19
  4. Step 4: Simplify right side
    2,004.51x = 5,473,810.97
  5. Step 5: Solve for x
    x = 5,473,810.97/2,004.51
  6. Step 6: Final answer
    x = 2,730.75

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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.