Home / 3,102.19-4,281.02-1,704.94

Finding the Fourth Proportional to 3,102.19, 4,281.02 and 1,704.94

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Solution

The fourth proportional to 3,102.19, 4,281.02 and 1,704.94 is: 2,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.19 : 4,281.02 = 1,704.94 : x
  2. Step 2: Convert to fraction form
    3,102.19/4,281.02 = 1,704.94/x
  3. Step 3: Cross multiply
    3,102.19x = 4,281.02 × 1,704.94
  4. Step 4: Simplify right side
    3,102.19x = 7,298,869.41
  5. Step 5: Solve for x
    x = 7,298,869.41/3,102.19
  6. Step 6: Final answer
    x = 2,352.81

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1.5x scale

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.