Home / 2,743.02-3,784.86-1,623.38

Finding the Fourth Proportional to 2,743.02, 3,784.86 and 1,623.38

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Solution

The fourth proportional to 2,743.02, 3,784.86 and 1,623.38 is: 2,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.02 : 3,784.86 = 1,623.38 : x
  2. Step 2: Convert to fraction form
    2,743.02/3,784.86 = 1,623.38/x
  3. Step 3: Cross multiply
    2,743.02x = 3,784.86 × 1,623.38
  4. Step 4: Simplify right side
    2,743.02x = 6,144,247.10
  5. Step 5: Solve for x
    x = 6,144,247.10/2,743.02
  6. Step 6: Final answer
    x = 2,239.96

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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.