Home / 2,820.07-3,893.06-1,877.43

Finding the Fourth Proportional to 2,820.07, 3,893.06 and 1,877.43

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Solution

The fourth proportional to 2,820.07, 3,893.06 and 1,877.43 is: 2,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.07 : 3,893.06 = 1,877.43 : x
  2. Step 2: Convert to fraction form
    2,820.07/3,893.06 = 1,877.43/x
  3. Step 3: Cross multiply
    2,820.07x = 3,893.06 × 1,877.43
  4. Step 4: Simplify right side
    2,820.07x = 7,308,947.64
  5. Step 5: Solve for x
    x = 7,308,947.64/2,820.07
  6. Step 6: Final answer
    x = 2,591.76

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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.