Home / 1,825.74-2,520.09-1,195.20

Finding the Fourth Proportional to 1,825.74, 2,520.09 and 1,195.20

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Solution

The fourth proportional to 1,825.74, 2,520.09 and 1,195.20 is: 1,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.74 : 2,520.09 = 1,195.20 : x
  2. Step 2: Convert to fraction form
    1,825.74/2,520.09 = 1,195.20/x
  3. Step 3: Cross multiply
    1,825.74x = 2,520.09 × 1,195.20
  4. Step 4: Simplify right side
    1,825.74x = 3,012,011.57
  5. Step 5: Solve for x
    x = 3,012,011.57/1,825.74
  6. Step 6: Final answer
    x = 1,649.75

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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.