Home / 3,075.06-4,613.04-1,126.80

Finding the Fourth Proportional to 3,075.06, 4,613.04 and 1,126.80

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Solution

The fourth proportional to 3,075.06, 4,613.04 and 1,126.80 is: 1,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.06 : 4,613.04 = 1,126.80 : x
  2. Step 2: Convert to fraction form
    3,075.06/4,613.04 = 1,126.80/x
  3. Step 3: Cross multiply
    3,075.06x = 4,613.04 × 1,126.80
  4. Step 4: Simplify right side
    3,075.06x = 5,197,973.47
  5. Step 5: Solve for x
    x = 5,197,973.47/3,075.06
  6. Step 6: Final answer
    x = 1,690.36

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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.