Home / 1,935.55-2,670.97-1,180.02

Finding the Fourth Proportional to 1,935.55, 2,670.97 and 1,180.02

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Solution

The fourth proportional to 1,935.55, 2,670.97 and 1,180.02 is: 1,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.55 : 2,670.97 = 1,180.02 : x
  2. Step 2: Convert to fraction form
    1,935.55/2,670.97 = 1,180.02/x
  3. Step 3: Cross multiply
    1,935.55x = 2,670.97 × 1,180.02
  4. Step 4: Simplify right side
    1,935.55x = 3,151,798.02
  5. Step 5: Solve for x
    x = 3,151,798.02/1,935.55
  6. Step 6: Final answer
    x = 1,628.37

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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.