Home / 2,670.04-3,682.38-1,739.80

Finding the Fourth Proportional to 2,670.04, 3,682.38 and 1,739.80

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Solution

The fourth proportional to 2,670.04, 3,682.38 and 1,739.80 is: 2,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.04 : 3,682.38 = 1,739.80 : x
  2. Step 2: Convert to fraction form
    2,670.04/3,682.38 = 1,739.80/x
  3. Step 3: Cross multiply
    2,670.04x = 3,682.38 × 1,739.80
  4. Step 4: Simplify right side
    2,670.04x = 6,406,604.72
  5. Step 5: Solve for x
    x = 6,406,604.72/2,670.04
  6. Step 6: Final answer
    x = 2,399.44

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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.