Home / 2,259.80-3,119.75-2,081.94

Finding the Fourth Proportional to 2,259.80, 3,119.75 and 2,081.94

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Solution

The fourth proportional to 2,259.80, 3,119.75 and 2,081.94 is: 2,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.80 : 3,119.75 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    2,259.80/3,119.75 = 2,081.94/x
  3. Step 3: Cross multiply
    2,259.80x = 3,119.75 × 2,081.94
  4. Step 4: Simplify right side
    2,259.80x = 6,495,132.32
  5. Step 5: Solve for x
    x = 6,495,132.32/2,259.80
  6. Step 6: Final answer
    x = 2,874.21

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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.