Home / 2,674.98-4,010.75-1,285.55

Finding the Fourth Proportional to 2,674.98, 4,010.75 and 1,285.55

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Solution

The fourth proportional to 2,674.98, 4,010.75 and 1,285.55 is: 1,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.98 : 4,010.75 = 1,285.55 : x
  2. Step 2: Convert to fraction form
    2,674.98/4,010.75 = 1,285.55/x
  3. Step 3: Cross multiply
    2,674.98x = 4,010.75 × 1,285.55
  4. Step 4: Simplify right side
    2,674.98x = 5,156,019.66
  5. Step 5: Solve for x
    x = 5,156,019.66/2,674.98
  6. Step 6: Final answer
    x = 1,927.50

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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.