Home / 2,109.60-3,166.02-1,135.98

Finding the Fourth Proportional to 2,109.60, 3,166.02 and 1,135.98

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Solution

The fourth proportional to 2,109.60, 3,166.02 and 1,135.98 is: 1,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.60 : 3,166.02 = 1,135.98 : x
  2. Step 2: Convert to fraction form
    2,109.60/3,166.02 = 1,135.98/x
  3. Step 3: Cross multiply
    2,109.60x = 3,166.02 × 1,135.98
  4. Step 4: Simplify right side
    2,109.60x = 3,596,535.40
  5. Step 5: Solve for x
    x = 3,596,535.40/2,109.60
  6. Step 6: Final answer
    x = 1,704.84

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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.