Home / 1,830.48-2,749.32-1,779.36

Finding the Fourth Proportional to 1,830.48, 2,749.32 and 1,779.36

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Solution

The fourth proportional to 1,830.48, 2,749.32 and 1,779.36 is: 2,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.48 : 2,749.32 = 1,779.36 : x
  2. Step 2: Convert to fraction form
    1,830.48/2,749.32 = 1,779.36/x
  3. Step 3: Cross multiply
    1,830.48x = 2,749.32 × 1,779.36
  4. Step 4: Simplify right side
    1,830.48x = 4,892,030.04
  5. Step 5: Solve for x
    x = 4,892,030.04/1,830.48
  6. Step 6: Final answer
    x = 2,672.54

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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.