Home / 3,439.67-5,158.59-1,683.79

Finding the Fourth Proportional to 3,439.67, 5,158.59 and 1,683.79

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Solution

The fourth proportional to 3,439.67, 5,158.59 and 1,683.79 is: 2,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.67 : 5,158.59 = 1,683.79 : x
  2. Step 2: Convert to fraction form
    3,439.67/5,158.59 = 1,683.79/x
  3. Step 3: Cross multiply
    3,439.67x = 5,158.59 × 1,683.79
  4. Step 4: Simplify right side
    3,439.67x = 8,685,963.05
  5. Step 5: Solve for x
    x = 8,685,963.05/3,439.67
  6. Step 6: Final answer
    x = 2,525.24

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1.5x scale

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.