Home / 2,989.67-4,484.36-1,234.19

Finding the Fourth Proportional to 2,989.67, 4,484.36 and 1,234.19

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Solution

The fourth proportional to 2,989.67, 4,484.36 and 1,234.19 is: 1,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.67 : 4,484.36 = 1,234.19 : x
  2. Step 2: Convert to fraction form
    2,989.67/4,484.36 = 1,234.19/x
  3. Step 3: Cross multiply
    2,989.67x = 4,484.36 × 1,234.19
  4. Step 4: Simplify right side
    2,989.67x = 5,534,523.68
  5. Step 5: Solve for x
    x = 5,534,523.68/2,989.67
  6. Step 6: Final answer
    x = 1,851.22

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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.