Home / 1,911.45-2,864.71-1,651.44

Finding the Fourth Proportional to 1,911.45, 2,864.71 and 1,651.44

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Solution

The fourth proportional to 1,911.45, 2,864.71 and 1,651.44 is: 2,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.45 : 2,864.71 = 1,651.44 : x
  2. Step 2: Convert to fraction form
    1,911.45/2,864.71 = 1,651.44/x
  3. Step 3: Cross multiply
    1,911.45x = 2,864.71 × 1,651.44
  4. Step 4: Simplify right side
    1,911.45x = 4,730,896.68
  5. Step 5: Solve for x
    x = 4,730,896.68/1,911.45
  6. Step 6: Final answer
    x = 2,475.03

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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.