Home / 3,216.76-4,823.02-2,117.80

Finding the Fourth Proportional to 3,216.76, 4,823.02 and 2,117.80

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Solution

The fourth proportional to 3,216.76, 4,823.02 and 2,117.80 is: 3,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.76 : 4,823.02 = 2,117.80 : x
  2. Step 2: Convert to fraction form
    3,216.76/4,823.02 = 2,117.80/x
  3. Step 3: Cross multiply
    3,216.76x = 4,823.02 × 2,117.80
  4. Step 4: Simplify right side
    3,216.76x = 10,214,191.76
  5. Step 5: Solve for x
    x = 10,214,191.76/3,216.76
  6. Step 6: Final answer
    x = 3,175.30

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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.