Home / 3,281.06-4,527.50-2,021.90

Finding the Fourth Proportional to 3,281.06, 4,527.50 and 2,021.90

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Solution

The fourth proportional to 3,281.06, 4,527.50 and 2,021.90 is: 2,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.06 : 4,527.50 = 2,021.90 : x
  2. Step 2: Convert to fraction form
    3,281.06/4,527.50 = 2,021.90/x
  3. Step 3: Cross multiply
    3,281.06x = 4,527.50 × 2,021.90
  4. Step 4: Simplify right side
    3,281.06x = 9,154,152.25
  5. Step 5: Solve for x
    x = 9,154,152.25/3,281.06
  6. Step 6: Final answer
    x = 2,790.00

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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.