Home / 2,518.97-3,779.69-1,133.28

Finding the Fourth Proportional to 2,518.97, 3,779.69 and 1,133.28

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Solution

The fourth proportional to 2,518.97, 3,779.69 and 1,133.28 is: 1,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.97 : 3,779.69 = 1,133.28 : x
  2. Step 2: Convert to fraction form
    2,518.97/3,779.69 = 1,133.28/x
  3. Step 3: Cross multiply
    2,518.97x = 3,779.69 × 1,133.28
  4. Step 4: Simplify right side
    2,518.97x = 4,283,456.53
  5. Step 5: Solve for x
    x = 4,283,456.53/2,518.97
  6. Step 6: Final answer
    x = 1,700.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.