Home / 2,021.29-3,032.98-1,047.40

Finding the Fourth Proportional to 2,021.29, 3,032.98 and 1,047.40

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Solution

The fourth proportional to 2,021.29, 3,032.98 and 1,047.40 is: 1,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.29 : 3,032.98 = 1,047.40 : x
  2. Step 2: Convert to fraction form
    2,021.29/3,032.98 = 1,047.40/x
  3. Step 3: Cross multiply
    2,021.29x = 3,032.98 × 1,047.40
  4. Step 4: Simplify right side
    2,021.29x = 3,176,733.05
  5. Step 5: Solve for x
    x = 3,176,733.05/2,021.29
  6. Step 6: Final answer
    x = 1,571.64

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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.