Home / 2,806.13-4,209.20-1,075.16

Finding the Fourth Proportional to 2,806.13, 4,209.20 and 1,075.16

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Solution

The fourth proportional to 2,806.13, 4,209.20 and 1,075.16 is: 1,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.13 : 4,209.20 = 1,075.16 : x
  2. Step 2: Convert to fraction form
    2,806.13/4,209.20 = 1,075.16/x
  3. Step 3: Cross multiply
    2,806.13x = 4,209.20 × 1,075.16
  4. Step 4: Simplify right side
    2,806.13x = 4,525,537.05
  5. Step 5: Solve for x
    x = 4,525,537.05/2,806.13
  6. Step 6: Final answer
    x = 1,612.74

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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.