Home / 2,673.02-3,685.38-1,727.21

Finding the Fourth Proportional to 2,673.02, 3,685.38 and 1,727.21

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Solution

The fourth proportional to 2,673.02, 3,685.38 and 1,727.21 is: 2,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.02 : 3,685.38 = 1,727.21 : x
  2. Step 2: Convert to fraction form
    2,673.02/3,685.38 = 1,727.21/x
  3. Step 3: Cross multiply
    2,673.02x = 3,685.38 × 1,727.21
  4. Step 4: Simplify right side
    2,673.02x = 6,365,406.76
  5. Step 5: Solve for x
    x = 6,365,406.76/2,673.02
  6. Step 6: Final answer
    x = 2,381.36

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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.