Home / 3,140.42-4,706.64-3,058.65

Finding the Fourth Proportional to 3,140.42, 4,706.64 and 3,058.65

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Solution

The fourth proportional to 3,140.42, 4,706.64 and 3,058.65 is: 4,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.42 : 4,706.64 = 3,058.65 : x
  2. Step 2: Convert to fraction form
    3,140.42/4,706.64 = 3,058.65/x
  3. Step 3: Cross multiply
    3,140.42x = 4,706.64 × 3,058.65
  4. Step 4: Simplify right side
    3,140.42x = 14,395,964.44
  5. Step 5: Solve for x
    x = 14,395,964.44/3,140.42
  6. Step 6: Final answer
    x = 4,584.10

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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.