Home / 3,346.74-4,619.90-2,020.16

Finding the Fourth Proportional to 3,346.74, 4,619.90 and 2,020.16

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Solution

The fourth proportional to 3,346.74, 4,619.90 and 2,020.16 is: 2,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.74 : 4,619.90 = 2,020.16 : x
  2. Step 2: Convert to fraction form
    3,346.74/4,619.90 = 2,020.16/x
  3. Step 3: Cross multiply
    3,346.74x = 4,619.90 × 2,020.16
  4. Step 4: Simplify right side
    3,346.74x = 9,332,937.18
  5. Step 5: Solve for x
    x = 9,332,937.18/3,346.74
  6. Step 6: Final answer
    x = 2,788.67

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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.