Home / 1,518.41-2,275.99-1,084.25

Finding the Fourth Proportional to 1,518.41, 2,275.99 and 1,084.25

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Solution

The fourth proportional to 1,518.41, 2,275.99 and 1,084.25 is: 1,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.41 : 2,275.99 = 1,084.25 : x
  2. Step 2: Convert to fraction form
    1,518.41/2,275.99 = 1,084.25/x
  3. Step 3: Cross multiply
    1,518.41x = 2,275.99 × 1,084.25
  4. Step 4: Simplify right side
    1,518.41x = 2,467,736.74
  5. Step 5: Solve for x
    x = 2,467,736.74/1,518.41
  6. Step 6: Final answer
    x = 1,625.21

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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.