Home / 2,465.00-3,400.09-1,579.40

Finding the Fourth Proportional to 2,465.00, 3,400.09 and 1,579.40

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Solution

The fourth proportional to 2,465.00, 3,400.09 and 1,579.40 is: 2,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.00 : 3,400.09 = 1,579.40 : x
  2. Step 2: Convert to fraction form
    2,465.00/3,400.09 = 1,579.40/x
  3. Step 3: Cross multiply
    2,465.00x = 3,400.09 × 1,579.40
  4. Step 4: Simplify right side
    2,465.00x = 5,370,081.20
  5. Step 5: Solve for x
    x = 5,370,081.20/2,465.00
  6. Step 6: Final answer
    x = 2,178.54

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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.