Home / 3,678.70-5,076.46-2,000.07

Finding the Fourth Proportional to 3,678.70, 5,076.46 and 2,000.07

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Solution

The fourth proportional to 3,678.70, 5,076.46 and 2,000.07 is: 2,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.70 : 5,076.46 = 2,000.07 : x
  2. Step 2: Convert to fraction form
    3,678.70/5,076.46 = 2,000.07/x
  3. Step 3: Cross multiply
    3,678.70x = 5,076.46 × 2,000.07
  4. Step 4: Simplify right side
    3,678.70x = 10,153,275.35
  5. Step 5: Solve for x
    x = 10,153,275.35/3,678.70
  6. Step 6: Final answer
    x = 2,760.02

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1.5x scale

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.