Home / 2,743.23-3,784.35-2,637.15

Finding the Fourth Proportional to 2,743.23, 3,784.35 and 2,637.15

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Solution

The fourth proportional to 2,743.23, 3,784.35 and 2,637.15 is: 3,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.23 : 3,784.35 = 2,637.15 : x
  2. Step 2: Convert to fraction form
    2,743.23/3,784.35 = 2,637.15/x
  3. Step 3: Cross multiply
    2,743.23x = 3,784.35 × 2,637.15
  4. Step 4: Simplify right side
    2,743.23x = 9,979,898.60
  5. Step 5: Solve for x
    x = 9,979,898.60/2,743.23
  6. Step 6: Final answer
    x = 3,638.01

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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.