Home / 3,678.29-5,075.23-2,684.11

Finding the Fourth Proportional to 3,678.29, 5,075.23 and 2,684.11

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Solution

The fourth proportional to 3,678.29, 5,075.23 and 2,684.11 is: 3,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.29 : 5,075.23 = 2,684.11 : x
  2. Step 2: Convert to fraction form
    3,678.29/5,075.23 = 2,684.11/x
  3. Step 3: Cross multiply
    3,678.29x = 5,075.23 × 2,684.11
  4. Step 4: Simplify right side
    3,678.29x = 13,622,475.60
  5. Step 5: Solve for x
    x = 13,622,475.60/3,678.29
  6. Step 6: Final answer
    x = 3,703.48

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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.