Home / 3,330.90-4,996.32-1,022.40

Finding the Fourth Proportional to 3,330.90, 4,996.32 and 1,022.40

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Solution

The fourth proportional to 3,330.90, 4,996.32 and 1,022.40 is: 1,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.90 : 4,996.32 = 1,022.40 : x
  2. Step 2: Convert to fraction form
    3,330.90/4,996.32 = 1,022.40/x
  3. Step 3: Cross multiply
    3,330.90x = 4,996.32 × 1,022.40
  4. Step 4: Simplify right side
    3,330.90x = 5,108,237.57
  5. Step 5: Solve for x
    x = 5,108,237.57/3,330.90
  6. Step 6: Final answer
    x = 1,533.59

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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.