Home / 3,024.40-4,173.60-1,680.07

Finding the Fourth Proportional to 3,024.40, 4,173.60 and 1,680.07

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Solution

The fourth proportional to 3,024.40, 4,173.60 and 1,680.07 is: 2,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.40 : 4,173.60 = 1,680.07 : x
  2. Step 2: Convert to fraction form
    3,024.40/4,173.60 = 1,680.07/x
  3. Step 3: Cross multiply
    3,024.40x = 4,173.60 × 1,680.07
  4. Step 4: Simplify right side
    3,024.40x = 7,011,940.15
  5. Step 5: Solve for x
    x = 7,011,940.15/3,024.40
  6. Step 6: Final answer
    x = 2,318.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.