Home / 2,739.24-3,779.40-2,650.53

Finding the Fourth Proportional to 2,739.24, 3,779.40 and 2,650.53

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Solution

The fourth proportional to 2,739.24, 3,779.40 and 2,650.53 is: 3,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.24 : 3,779.40 = 2,650.53 : x
  2. Step 2: Convert to fraction form
    2,739.24/3,779.40 = 2,650.53/x
  3. Step 3: Cross multiply
    2,739.24x = 3,779.40 × 2,650.53
  4. Step 4: Simplify right side
    2,739.24x = 10,017,413.08
  5. Step 5: Solve for x
    x = 10,017,413.08/2,739.24
  6. Step 6: Final answer
    x = 3,657.00

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1.5x scale

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.