Home / 2,048.05-2,826.40-1,151.80

Finding the Fourth Proportional to 2,048.05, 2,826.40 and 1,151.80

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Solution

The fourth proportional to 2,048.05, 2,826.40 and 1,151.80 is: 1,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.05 : 2,826.40 = 1,151.80 : x
  2. Step 2: Convert to fraction form
    2,048.05/2,826.40 = 1,151.80/x
  3. Step 3: Cross multiply
    2,048.05x = 2,826.40 × 1,151.80
  4. Step 4: Simplify right side
    2,048.05x = 3,255,458.87
  5. Step 5: Solve for x
    x = 3,255,458.87/2,048.05
  6. Step 6: Final answer
    x = 1,589.54

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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.