Home / 2,709.36-3,739.23-1,647.18

Finding the Fourth Proportional to 2,709.36, 3,739.23 and 1,647.18

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Solution

The fourth proportional to 2,709.36, 3,739.23 and 1,647.18 is: 2,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.36 : 3,739.23 = 1,647.18 : x
  2. Step 2: Convert to fraction form
    2,709.36/3,739.23 = 1,647.18/x
  3. Step 3: Cross multiply
    2,709.36x = 3,739.23 × 1,647.18
  4. Step 4: Simplify right side
    2,709.36x = 6,159,184.87
  5. Step 5: Solve for x
    x = 6,159,184.87/2,709.36
  6. Step 6: Final answer
    x = 2,273.30

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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.