Home / 3,110.40-4,656.96-1,568.16

Finding the Fourth Proportional to 3,110.40, 4,656.96 and 1,568.16

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Solution

The fourth proportional to 3,110.40, 4,656.96 and 1,568.16 is: 2,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.40 : 4,656.96 = 1,568.16 : x
  2. Step 2: Convert to fraction form
    3,110.40/4,656.96 = 1,568.16/x
  3. Step 3: Cross multiply
    3,110.40x = 4,656.96 × 1,568.16
  4. Step 4: Simplify right side
    3,110.40x = 7,302,858.39
  5. Step 5: Solve for x
    x = 7,302,858.39/3,110.40
  6. Step 6: Final answer
    x = 2,347.88

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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.