Home / 2,675.43-4,015.26-1,580.72

Finding the Fourth Proportional to 2,675.43, 4,015.26 and 1,580.72

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Solution

The fourth proportional to 2,675.43, 4,015.26 and 1,580.72 is: 2,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.43 : 4,015.26 = 1,580.72 : x
  2. Step 2: Convert to fraction form
    2,675.43/4,015.26 = 1,580.72/x
  3. Step 3: Cross multiply
    2,675.43x = 4,015.26 × 1,580.72
  4. Step 4: Simplify right side
    2,675.43x = 6,346,981.71
  5. Step 5: Solve for x
    x = 6,346,981.71/2,675.43
  6. Step 6: Final answer
    x = 2,372.32

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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.