Home / 3,075.27-4,612.92-1,126.41

Finding the Fourth Proportional to 3,075.27, 4,612.92 and 1,126.41

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Solution

The fourth proportional to 3,075.27, 4,612.92 and 1,126.41 is: 1,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.27 : 4,612.92 = 1,126.41 : x
  2. Step 2: Convert to fraction form
    3,075.27/4,612.92 = 1,126.41/x
  3. Step 3: Cross multiply
    3,075.27x = 4,612.92 × 1,126.41
  4. Step 4: Simplify right side
    3,075.27x = 5,196,039.22
  5. Step 5: Solve for x
    x = 5,196,039.22/3,075.27
  6. Step 6: Final answer
    x = 1,689.62

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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.