Home / 2,669.68-3,684.35-1,490.73

Finding the Fourth Proportional to 2,669.68, 3,684.35 and 1,490.73

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Solution

The fourth proportional to 2,669.68, 3,684.35 and 1,490.73 is: 2,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.68 : 3,684.35 = 1,490.73 : x
  2. Step 2: Convert to fraction form
    2,669.68/3,684.35 = 1,490.73/x
  3. Step 3: Cross multiply
    2,669.68x = 3,684.35 × 1,490.73
  4. Step 4: Simplify right side
    2,669.68x = 5,492,371.08
  5. Step 5: Solve for x
    x = 5,492,371.08/2,669.68
  6. Step 6: Final answer
    x = 2,057.31

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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.