Home / 2,765.34-4,161.92-2,075.63

Finding the Fourth Proportional to 2,765.34, 4,161.92 and 2,075.63

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Solution

The fourth proportional to 2,765.34, 4,161.92 and 2,075.63 is: 3,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.34 : 4,161.92 = 2,075.63 : x
  2. Step 2: Convert to fraction form
    2,765.34/4,161.92 = 2,075.63/x
  3. Step 3: Cross multiply
    2,765.34x = 4,161.92 × 2,075.63
  4. Step 4: Simplify right side
    2,765.34x = 8,638,574.82
  5. Step 5: Solve for x
    x = 8,638,574.82/2,765.34
  6. Step 6: Final answer
    x = 3,123.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.