Home / 2,672.50-4,010.48-1,440.77

Finding the Fourth Proportional to 2,672.50, 4,010.48 and 1,440.77

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Solution

The fourth proportional to 2,672.50, 4,010.48 and 1,440.77 is: 2,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.50 : 4,010.48 = 1,440.77 : x
  2. Step 2: Convert to fraction form
    2,672.50/4,010.48 = 1,440.77/x
  3. Step 3: Cross multiply
    2,672.50x = 4,010.48 × 1,440.77
  4. Step 4: Simplify right side
    2,672.50x = 5,778,179.98
  5. Step 5: Solve for x
    x = 5,778,179.98/2,672.50
  6. Step 6: Final answer
    x = 2,162.09

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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.