Home / 2,133.58-2,945.79-1,337.23

Finding the Fourth Proportional to 2,133.58, 2,945.79 and 1,337.23

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Solution

The fourth proportional to 2,133.58, 2,945.79 and 1,337.23 is: 1,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.58 : 2,945.79 = 1,337.23 : x
  2. Step 2: Convert to fraction form
    2,133.58/2,945.79 = 1,337.23/x
  3. Step 3: Cross multiply
    2,133.58x = 2,945.79 × 1,337.23
  4. Step 4: Simplify right side
    2,133.58x = 3,939,198.76
  5. Step 5: Solve for x
    x = 3,939,198.76/2,133.58
  6. Step 6: Final answer
    x = 1,846.29

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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.