Home / 1,851.15-2,554.73-1,054.72

Finding the Fourth Proportional to 1,851.15, 2,554.73 and 1,054.72

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Solution

The fourth proportional to 1,851.15, 2,554.73 and 1,054.72 is: 1,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.15 : 2,554.73 = 1,054.72 : x
  2. Step 2: Convert to fraction form
    1,851.15/2,554.73 = 1,054.72/x
  3. Step 3: Cross multiply
    1,851.15x = 2,554.73 × 1,054.72
  4. Step 4: Simplify right side
    1,851.15x = 2,694,518.44
  5. Step 5: Solve for x
    x = 2,694,518.44/1,851.15
  6. Step 6: Final answer
    x = 1,455.59

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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.