Home / 2,029.21-3,029.14-1,783.18

Finding the Fourth Proportional to 2,029.21, 3,029.14 and 1,783.18

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Solution

The fourth proportional to 2,029.21, 3,029.14 and 1,783.18 is: 2,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.21 : 3,029.14 = 1,783.18 : x
  2. Step 2: Convert to fraction form
    2,029.21/3,029.14 = 1,783.18/x
  3. Step 3: Cross multiply
    2,029.21x = 3,029.14 × 1,783.18
  4. Step 4: Simplify right side
    2,029.21x = 5,401,501.87
  5. Step 5: Solve for x
    x = 5,401,501.87/2,029.21
  6. Step 6: Final answer
    x = 2,661.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.