Home / 2,065.40-3,096.30-1,846.70

Finding the Fourth Proportional to 2,065.40, 3,096.30 and 1,846.70

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Solution

The fourth proportional to 2,065.40, 3,096.30 and 1,846.70 is: 2,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.40 : 3,096.30 = 1,846.70 : x
  2. Step 2: Convert to fraction form
    2,065.40/3,096.30 = 1,846.70/x
  3. Step 3: Cross multiply
    2,065.40x = 3,096.30 × 1,846.70
  4. Step 4: Simplify right side
    2,065.40x = 5,717,937.21
  5. Step 5: Solve for x
    x = 5,717,937.21/2,065.40
  6. Step 6: Final answer
    x = 2,768.44

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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.