Home / 1,935.40-2,670.86-1,096.12

Finding the Fourth Proportional to 1,935.40, 2,670.86 and 1,096.12

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Solution

The fourth proportional to 1,935.40, 2,670.86 and 1,096.12 is: 1,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.40 : 2,670.86 = 1,096.12 : x
  2. Step 2: Convert to fraction form
    1,935.40/2,670.86 = 1,096.12/x
  3. Step 3: Cross multiply
    1,935.40x = 2,670.86 × 1,096.12
  4. Step 4: Simplify right side
    1,935.40x = 2,927,583.06
  5. Step 5: Solve for x
    x = 2,927,583.06/1,935.40
  6. Step 6: Final answer
    x = 1,512.65

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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.