Home / 2,021.87-3,038.79-1,677.44

Finding the Fourth Proportional to 2,021.87, 3,038.79 and 1,677.44

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Solution

The fourth proportional to 2,021.87, 3,038.79 and 1,677.44 is: 2,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.87 : 3,038.79 = 1,677.44 : x
  2. Step 2: Convert to fraction form
    2,021.87/3,038.79 = 1,677.44/x
  3. Step 3: Cross multiply
    2,021.87x = 3,038.79 × 1,677.44
  4. Step 4: Simplify right side
    2,021.87x = 5,097,387.90
  5. Step 5: Solve for x
    x = 5,097,387.90/2,021.87
  6. Step 6: Final answer
    x = 2,521.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.