Home / 1,110.32-1,653.94-1,054.16

Finding the Fourth Proportional to 1,110.32, 1,653.94 and 1,054.16

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Solution

The fourth proportional to 1,110.32, 1,653.94 and 1,054.16 is: 1,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.32 : 1,653.94 = 1,054.16 : x
  2. Step 2: Convert to fraction form
    1,110.32/1,653.94 = 1,054.16/x
  3. Step 3: Cross multiply
    1,110.32x = 1,653.94 × 1,054.16
  4. Step 4: Simplify right side
    1,110.32x = 1,743,517.39
  5. Step 5: Solve for x
    x = 1,743,517.39/1,110.32
  6. Step 6: Final answer
    x = 1,570.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.