Home / 3,312.22-4,968.33-1,122.49

Finding the Fourth Proportional to 3,312.22, 4,968.33 and 1,122.49

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Solution

The fourth proportional to 3,312.22, 4,968.33 and 1,122.49 is: 1,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.22 : 4,968.33 = 1,122.49 : x
  2. Step 2: Convert to fraction form
    3,312.22/4,968.33 = 1,122.49/x
  3. Step 3: Cross multiply
    3,312.22x = 4,968.33 × 1,122.49
  4. Step 4: Simplify right side
    3,312.22x = 5,576,900.74
  5. Step 5: Solve for x
    x = 5,576,900.74/3,312.22
  6. Step 6: Final answer
    x = 1,683.74

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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.