Home / 2,669.14-3,683.41-1,490.21

Finding the Fourth Proportional to 2,669.14, 3,683.41 and 1,490.21

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Solution

The fourth proportional to 2,669.14, 3,683.41 and 1,490.21 is: 2,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.14 : 3,683.41 = 1,490.21 : x
  2. Step 2: Convert to fraction form
    2,669.14/3,683.41 = 1,490.21/x
  3. Step 3: Cross multiply
    2,669.14x = 3,683.41 × 1,490.21
  4. Step 4: Simplify right side
    2,669.14x = 5,489,054.42
  5. Step 5: Solve for x
    x = 5,489,054.42/2,669.14
  6. Step 6: Final answer
    x = 2,056.49

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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.