Home / 2,911.40-4,343.98-2,704.94

Finding the Fourth Proportional to 2,911.40, 4,343.98 and 2,704.94

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Solution

The fourth proportional to 2,911.40, 4,343.98 and 2,704.94 is: 4,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.40 : 4,343.98 = 2,704.94 : x
  2. Step 2: Convert to fraction form
    2,911.40/4,343.98 = 2,704.94/x
  3. Step 3: Cross multiply
    2,911.40x = 4,343.98 × 2,704.94
  4. Step 4: Simplify right side
    2,911.40x = 11,750,205.26
  5. Step 5: Solve for x
    x = 11,750,205.26/2,911.40
  6. Step 6: Final answer
    x = 4,035.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.