Home / 2,038.24-3,057.72-1,172.08

Finding the Fourth Proportional to 2,038.24, 3,057.72 and 1,172.08

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Solution

The fourth proportional to 2,038.24, 3,057.72 and 1,172.08 is: 1,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.24 : 3,057.72 = 1,172.08 : x
  2. Step 2: Convert to fraction form
    2,038.24/3,057.72 = 1,172.08/x
  3. Step 3: Cross multiply
    2,038.24x = 3,057.72 × 1,172.08
  4. Step 4: Simplify right side
    2,038.24x = 3,583,871.31
  5. Step 5: Solve for x
    x = 3,583,871.31/2,038.24
  6. Step 6: Final answer
    x = 1,758.32

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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.