Home / 3,075.43-4,236.68-2,445.76

Finding the Fourth Proportional to 3,075.43, 4,236.68 and 2,445.76

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Solution

The fourth proportional to 3,075.43, 4,236.68 and 2,445.76 is: 3,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.43 : 4,236.68 = 2,445.76 : x
  2. Step 2: Convert to fraction form
    3,075.43/4,236.68 = 2,445.76/x
  3. Step 3: Cross multiply
    3,075.43x = 4,236.68 × 2,445.76
  4. Step 4: Simplify right side
    3,075.43x = 10,361,902.48
  5. Step 5: Solve for x
    x = 10,361,902.48/3,075.43
  6. Step 6: Final answer
    x = 3,369.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.