Home / 1,647.06-2,272.83-1,182.06

Finding the Fourth Proportional to 1,647.06, 2,272.83 and 1,182.06

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Solution

The fourth proportional to 1,647.06, 2,272.83 and 1,182.06 is: 1,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.06 : 2,272.83 = 1,182.06 : x
  2. Step 2: Convert to fraction form
    1,647.06/2,272.83 = 1,182.06/x
  3. Step 3: Cross multiply
    1,647.06x = 2,272.83 × 1,182.06
  4. Step 4: Simplify right side
    1,647.06x = 2,686,621.43
  5. Step 5: Solve for x
    x = 2,686,621.43/1,647.06
  6. Step 6: Final answer
    x = 1,631.16

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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.