Home / 3,217.90-4,823.56-1,828.30

Finding the Fourth Proportional to 3,217.90, 4,823.56 and 1,828.30

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Solution

The fourth proportional to 3,217.90, 4,823.56 and 1,828.30 is: 2,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.90 : 4,823.56 = 1,828.30 : x
  2. Step 2: Convert to fraction form
    3,217.90/4,823.56 = 1,828.30/x
  3. Step 3: Cross multiply
    3,217.90x = 4,823.56 × 1,828.30
  4. Step 4: Simplify right side
    3,217.90x = 8,818,914.75
  5. Step 5: Solve for x
    x = 8,818,914.75/3,217.90
  6. Step 6: Final answer
    x = 2,740.58

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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.