Home / 4,102.90-6,155.28-1,180.98

Finding the Fourth Proportional to 4,102.90, 6,155.28 and 1,180.98

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Solution

The fourth proportional to 4,102.90, 6,155.28 and 1,180.98 is: 1,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.90 : 6,155.28 = 1,180.98 : x
  2. Step 2: Convert to fraction form
    4,102.90/6,155.28 = 1,180.98/x
  3. Step 3: Cross multiply
    4,102.90x = 6,155.28 × 1,180.98
  4. Step 4: Simplify right side
    4,102.90x = 7,269,262.57
  5. Step 5: Solve for x
    x = 7,269,262.57/4,102.90
  6. Step 6: Final answer
    x = 1,771.74

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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.