Home / 1,628.24-2,443.44-1,520.24

Finding the Fourth Proportional to 1,628.24, 2,443.44 and 1,520.24

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Solution

The fourth proportional to 1,628.24, 2,443.44 and 1,520.24 is: 2,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.24 : 2,443.44 = 1,520.24 : x
  2. Step 2: Convert to fraction form
    1,628.24/2,443.44 = 1,520.24/x
  3. Step 3: Cross multiply
    1,628.24x = 2,443.44 × 1,520.24
  4. Step 4: Simplify right side
    1,628.24x = 3,714,615.23
  5. Step 5: Solve for x
    x = 3,714,615.23/1,628.24
  6. Step 6: Final answer
    x = 2,281.37

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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.