Home / 1,852.24-2,779.09-1,113.24

Finding the Fourth Proportional to 1,852.24, 2,779.09 and 1,113.24

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Solution

The fourth proportional to 1,852.24, 2,779.09 and 1,113.24 is: 1,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.24 : 2,779.09 = 1,113.24 : x
  2. Step 2: Convert to fraction form
    1,852.24/2,779.09 = 1,113.24/x
  3. Step 3: Cross multiply
    1,852.24x = 2,779.09 × 1,113.24
  4. Step 4: Simplify right side
    1,852.24x = 3,093,808.05
  5. Step 5: Solve for x
    x = 3,093,808.05/1,852.24
  6. Step 6: Final answer
    x = 1,670.31

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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.