Home / 2,124.99-3,181.32-1,579.59

Finding the Fourth Proportional to 2,124.99, 3,181.32 and 1,579.59

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Solution

The fourth proportional to 2,124.99, 3,181.32 and 1,579.59 is: 2,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.99 : 3,181.32 = 1,579.59 : x
  2. Step 2: Convert to fraction form
    2,124.99/3,181.32 = 1,579.59/x
  3. Step 3: Cross multiply
    2,124.99x = 3,181.32 × 1,579.59
  4. Step 4: Simplify right side
    2,124.99x = 5,025,181.26
  5. Step 5: Solve for x
    x = 5,025,181.26/2,124.99
  6. Step 6: Final answer
    x = 2,364.80

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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.