Home / 2,852.22-3,937.56-2,015.46

Finding the Fourth Proportional to 2,852.22, 3,937.56 and 2,015.46

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Solution

The fourth proportional to 2,852.22, 3,937.56 and 2,015.46 is: 2,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.22 : 3,937.56 = 2,015.46 : x
  2. Step 2: Convert to fraction form
    2,852.22/3,937.56 = 2,015.46/x
  3. Step 3: Cross multiply
    2,852.22x = 3,937.56 × 2,015.46
  4. Step 4: Simplify right side
    2,852.22x = 7,935,994.68
  5. Step 5: Solve for x
    x = 7,935,994.68/2,852.22
  6. Step 6: Final answer
    x = 2,782.39

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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.