Home / 3,075.28-4,614.72-1,127.62

Finding the Fourth Proportional to 3,075.28, 4,614.72 and 1,127.62

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Solution

The fourth proportional to 3,075.28, 4,614.72 and 1,127.62 is: 1,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.28 : 4,614.72 = 1,127.62 : x
  2. Step 2: Convert to fraction form
    3,075.28/4,614.72 = 1,127.62/x
  3. Step 3: Cross multiply
    3,075.28x = 4,614.72 × 1,127.62
  4. Step 4: Simplify right side
    3,075.28x = 5,203,650.57
  5. Step 5: Solve for x
    x = 5,203,650.57/3,075.28
  6. Step 6: Final answer
    x = 1,692.09

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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.