Home / 2,579.79-3,871.53-1,932.24

Finding the Fourth Proportional to 2,579.79, 3,871.53 and 1,932.24

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Solution

The fourth proportional to 2,579.79, 3,871.53 and 1,932.24 is: 2,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.79 : 3,871.53 = 1,932.24 : x
  2. Step 2: Convert to fraction form
    2,579.79/3,871.53 = 1,932.24/x
  3. Step 3: Cross multiply
    2,579.79x = 3,871.53 × 1,932.24
  4. Step 4: Simplify right side
    2,579.79x = 7,480,725.13
  5. Step 5: Solve for x
    x = 7,480,725.13/2,579.79
  6. Step 6: Final answer
    x = 2,899.74

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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.