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Finding the Fourth Proportional to 2,010.68, 3,016.93 and 1,281.68

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Solution

The fourth proportional to 2,010.68, 3,016.93 and 1,281.68 is: 1,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.68 : 3,016.93 = 1,281.68 : x
  2. Step 2: Convert to fraction form
    2,010.68/3,016.93 = 1,281.68/x
  3. Step 3: Cross multiply
    2,010.68x = 3,016.93 × 1,281.68
  4. Step 4: Simplify right side
    2,010.68x = 3,866,738.84
  5. Step 5: Solve for x
    x = 3,866,738.84/2,010.68
  6. Step 6: Final answer
    x = 1,923.10

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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.