Home / 1,823.97-2,515.14-1,195.05

Finding the Fourth Proportional to 1,823.97, 2,515.14 and 1,195.05

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Solution

The fourth proportional to 1,823.97, 2,515.14 and 1,195.05 is: 1,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.97 : 2,515.14 = 1,195.05 : x
  2. Step 2: Convert to fraction form
    1,823.97/2,515.14 = 1,195.05/x
  3. Step 3: Cross multiply
    1,823.97x = 2,515.14 × 1,195.05
  4. Step 4: Simplify right side
    1,823.97x = 3,005,718.06
  5. Step 5: Solve for x
    x = 3,005,718.06/1,823.97
  6. Step 6: Final answer
    x = 1,647.90

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Double scale
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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.