Home / 3,049.85-4,575.42-1,075.40

Finding the Fourth Proportional to 3,049.85, 4,575.42 and 1,075.40

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Solution

The fourth proportional to 3,049.85, 4,575.42 and 1,075.40 is: 1,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.85 : 4,575.42 = 1,075.40 : x
  2. Step 2: Convert to fraction form
    3,049.85/4,575.42 = 1,075.40/x
  3. Step 3: Cross multiply
    3,049.85x = 4,575.42 × 1,075.40
  4. Step 4: Simplify right side
    3,049.85x = 4,920,383.79
  5. Step 5: Solve for x
    x = 4,920,383.79/3,049.85
  6. Step 6: Final answer
    x = 1,613.32

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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.