Home / 3,312.06-4,968.90-1,338.09

Finding the Fourth Proportional to 3,312.06, 4,968.90 and 1,338.09

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Solution

The fourth proportional to 3,312.06, 4,968.90 and 1,338.09 is: 2,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.06 : 4,968.90 = 1,338.09 : x
  2. Step 2: Convert to fraction form
    3,312.06/4,968.90 = 1,338.09/x
  3. Step 3: Cross multiply
    3,312.06x = 4,968.90 × 1,338.09
  4. Step 4: Simplify right side
    3,312.06x = 6,648,835.40
  5. Step 5: Solve for x
    x = 6,648,835.40/3,312.06
  6. Step 6: Final answer
    x = 2,007.46

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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.