Home / 2,021.50-3,032.85-723.07

Finding the Fourth Proportional to 2,021.50, 3,032.85 and 723.07

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Solution

The fourth proportional to 2,021.50, 3,032.85 and 723.07 is: 1,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.50 : 3,032.85 = 723.07 : x
  2. Step 2: Convert to fraction form
    2,021.50/3,032.85 = 723.07/x
  3. Step 3: Cross multiply
    2,021.50x = 3,032.85 × 723.07
  4. Step 4: Simplify right side
    2,021.50x = 2,192,962.85
  5. Step 5: Solve for x
    x = 2,192,962.85/2,021.50
  6. Step 6: Final answer
    x = 1,084.82

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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.