Home / 2,914.48-4,015.74-2,557.68

Finding the Fourth Proportional to 2,914.48, 4,015.74 and 2,557.68

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Solution

The fourth proportional to 2,914.48, 4,015.74 and 2,557.68 is: 3,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.48 : 4,015.74 = 2,557.68 : x
  2. Step 2: Convert to fraction form
    2,914.48/4,015.74 = 2,557.68/x
  3. Step 3: Cross multiply
    2,914.48x = 4,015.74 × 2,557.68
  4. Step 4: Simplify right side
    2,914.48x = 10,270,977.88
  5. Step 5: Solve for x
    x = 10,270,977.88/2,914.48
  6. Step 6: Final answer
    x = 3,524.12

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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.