Home / 3,130.46-4,692.93-1,181.30

Finding the Fourth Proportional to 3,130.46, 4,692.93 and 1,181.30

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Solution

The fourth proportional to 3,130.46, 4,692.93 and 1,181.30 is: 1,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.46 : 4,692.93 = 1,181.30 : x
  2. Step 2: Convert to fraction form
    3,130.46/4,692.93 = 1,181.30/x
  3. Step 3: Cross multiply
    3,130.46x = 4,692.93 × 1,181.30
  4. Step 4: Simplify right side
    3,130.46x = 5,543,758.21
  5. Step 5: Solve for x
    x = 5,543,758.21/3,130.46
  6. Step 6: Final answer
    x = 1,770.91

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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.