Home / 2,288.24-3,429.48-1,980.08

Finding the Fourth Proportional to 2,288.24, 3,429.48 and 1,980.08

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Solution

The fourth proportional to 2,288.24, 3,429.48 and 1,980.08 is: 2,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.24 : 3,429.48 = 1,980.08 : x
  2. Step 2: Convert to fraction form
    2,288.24/3,429.48 = 1,980.08/x
  3. Step 3: Cross multiply
    2,288.24x = 3,429.48 × 1,980.08
  4. Step 4: Simplify right side
    2,288.24x = 6,790,644.76
  5. Step 5: Solve for x
    x = 6,790,644.76/2,288.24
  6. Step 6: Final answer
    x = 2,967.63

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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.