Home / 2,579.01-3,559.25-2,158.62

Finding the Fourth Proportional to 2,579.01, 3,559.25 and 2,158.62

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Solution

The fourth proportional to 2,579.01, 3,559.25 and 2,158.62 is: 2,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.01 : 3,559.25 = 2,158.62 : x
  2. Step 2: Convert to fraction form
    2,579.01/3,559.25 = 2,158.62/x
  3. Step 3: Cross multiply
    2,579.01x = 3,559.25 × 2,158.62
  4. Step 4: Simplify right side
    2,579.01x = 7,683,057.44
  5. Step 5: Solve for x
    x = 7,683,057.44/2,579.01
  6. Step 6: Final answer
    x = 2,979.07

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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.