Home / 2,968.90-4,450.01-2,278.48

Finding the Fourth Proportional to 2,968.90, 4,450.01 and 2,278.48

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Solution

The fourth proportional to 2,968.90, 4,450.01 and 2,278.48 is: 3,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.90 : 4,450.01 = 2,278.48 : x
  2. Step 2: Convert to fraction form
    2,968.90/4,450.01 = 2,278.48/x
  3. Step 3: Cross multiply
    2,968.90x = 4,450.01 × 2,278.48
  4. Step 4: Simplify right side
    2,968.90x = 10,139,263.84
  5. Step 5: Solve for x
    x = 10,139,263.84/2,968.90
  6. Step 6: Final answer
    x = 3,415.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.