Home / 3,313.03-4,970.47-1,121.93

Finding the Fourth Proportional to 3,313.03, 4,970.47 and 1,121.93

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Solution

The fourth proportional to 3,313.03, 4,970.47 and 1,121.93 is: 1,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.03 : 4,970.47 = 1,121.93 : x
  2. Step 2: Convert to fraction form
    3,313.03/4,970.47 = 1,121.93/x
  3. Step 3: Cross multiply
    3,313.03x = 4,970.47 × 1,121.93
  4. Step 4: Simplify right side
    3,313.03x = 5,576,494.55
  5. Step 5: Solve for x
    x = 5,576,494.55/3,313.03
  6. Step 6: Final answer
    x = 1,683.20

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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.