Home / 2,288.52-3,153.90-1,790.36

Finding the Fourth Proportional to 2,288.52, 3,153.90 and 1,790.36

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Solution

The fourth proportional to 2,288.52, 3,153.90 and 1,790.36 is: 2,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.52 : 3,153.90 = 1,790.36 : x
  2. Step 2: Convert to fraction form
    2,288.52/3,153.90 = 1,790.36/x
  3. Step 3: Cross multiply
    2,288.52x = 3,153.90 × 1,790.36
  4. Step 4: Simplify right side
    2,288.52x = 5,646,616.40
  5. Step 5: Solve for x
    x = 5,646,616.40/2,288.52
  6. Step 6: Final answer
    x = 2,467.37

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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.