Home / 3,075.26-4,612.88-1,127.61

Finding the Fourth Proportional to 3,075.26, 4,612.88 and 1,127.61

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Solution

The fourth proportional to 3,075.26, 4,612.88 and 1,127.61 is: 1,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.26 : 4,612.88 = 1,127.61 : x
  2. Step 2: Convert to fraction form
    3,075.26/4,612.88 = 1,127.61/x
  3. Step 3: Cross multiply
    3,075.26x = 4,612.88 × 1,127.61
  4. Step 4: Simplify right side
    3,075.26x = 5,201,529.62
  5. Step 5: Solve for x
    x = 5,201,529.62/3,075.26
  6. Step 6: Final answer
    x = 1,691.41

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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.