Home / 2,973.07-4,450.33-1,986.69

Finding the Fourth Proportional to 2,973.07, 4,450.33 and 1,986.69

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Solution

The fourth proportional to 2,973.07, 4,450.33 and 1,986.69 is: 2,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.07 : 4,450.33 = 1,986.69 : x
  2. Step 2: Convert to fraction form
    2,973.07/4,450.33 = 1,986.69/x
  3. Step 3: Cross multiply
    2,973.07x = 4,450.33 × 1,986.69
  4. Step 4: Simplify right side
    2,973.07x = 8,841,426.11
  5. Step 5: Solve for x
    x = 8,841,426.11/2,973.07
  6. Step 6: Final answer
    x = 2,973.84

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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.