Home / 2,072.32-3,114.24-2,046.40

Finding the Fourth Proportional to 2,072.32, 3,114.24 and 2,046.40

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Solution

The fourth proportional to 2,072.32, 3,114.24 and 2,046.40 is: 3,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.32 : 3,114.24 = 2,046.40 : x
  2. Step 2: Convert to fraction form
    2,072.32/3,114.24 = 2,046.40/x
  3. Step 3: Cross multiply
    2,072.32x = 3,114.24 × 2,046.40
  4. Step 4: Simplify right side
    2,072.32x = 6,372,980.74
  5. Step 5: Solve for x
    x = 6,372,980.74/2,072.32
  6. Step 6: Final answer
    x = 3,075.29

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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.