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Finding the Fourth Proportional to 2,579.58, 3,866.97 and 1,345.51

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Solution

The fourth proportional to 2,579.58, 3,866.97 and 1,345.51 is: 2,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.58 : 3,866.97 = 1,345.51 : x
  2. Step 2: Convert to fraction form
    2,579.58/3,866.97 = 1,345.51/x
  3. Step 3: Cross multiply
    2,579.58x = 3,866.97 × 1,345.51
  4. Step 4: Simplify right side
    2,579.58x = 5,203,056.68
  5. Step 5: Solve for x
    x = 5,203,056.68/2,579.58
  6. Step 6: Final answer
    x = 2,017.02

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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.