Home / 3,030.79-4,546.19-2,618.68

Finding the Fourth Proportional to 3,030.79, 4,546.19 and 2,618.68

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Solution

The fourth proportional to 3,030.79, 4,546.19 and 2,618.68 is: 3,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.79 : 4,546.19 = 2,618.68 : x
  2. Step 2: Convert to fraction form
    3,030.79/4,546.19 = 2,618.68/x
  3. Step 3: Cross multiply
    3,030.79x = 4,546.19 × 2,618.68
  4. Step 4: Simplify right side
    3,030.79x = 11,905,003.74
  5. Step 5: Solve for x
    x = 11,905,003.74/3,030.79
  6. Step 6: Final answer
    x = 3,928.02

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Double scale
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Similar ratio
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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.