Home / 3,101.06-4,279.41-1,756.67

Finding the Fourth Proportional to 3,101.06, 4,279.41 and 1,756.67

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Solution

The fourth proportional to 3,101.06, 4,279.41 and 1,756.67 is: 2,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.06 : 4,279.41 = 1,756.67 : x
  2. Step 2: Convert to fraction form
    3,101.06/4,279.41 = 1,756.67/x
  3. Step 3: Cross multiply
    3,101.06x = 4,279.41 × 1,756.67
  4. Step 4: Simplify right side
    3,101.06x = 7,517,489.77
  5. Step 5: Solve for x
    x = 7,517,489.77/3,101.06
  6. Step 6: Final answer
    x = 2,424.17

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1.5x scale

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.