Home / 2,782.48-4,174.08-1,051.60

Finding the Fourth Proportional to 2,782.48, 4,174.08 and 1,051.60

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Solution

The fourth proportional to 2,782.48, 4,174.08 and 1,051.60 is: 1,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.48 : 4,174.08 = 1,051.60 : x
  2. Step 2: Convert to fraction form
    2,782.48/4,174.08 = 1,051.60/x
  3. Step 3: Cross multiply
    2,782.48x = 4,174.08 × 1,051.60
  4. Step 4: Simplify right side
    2,782.48x = 4,389,462.53
  5. Step 5: Solve for x
    x = 4,389,462.53/2,782.48
  6. Step 6: Final answer
    x = 1,577.54

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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.