Home / 3,116.08-4,676.28-1,578.16

Finding the Fourth Proportional to 3,116.08, 4,676.28 and 1,578.16

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Solution

The fourth proportional to 3,116.08, 4,676.28 and 1,578.16 is: 2,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.08 : 4,676.28 = 1,578.16 : x
  2. Step 2: Convert to fraction form
    3,116.08/4,676.28 = 1,578.16/x
  3. Step 3: Cross multiply
    3,116.08x = 4,676.28 × 1,578.16
  4. Step 4: Simplify right side
    3,116.08x = 7,379,918.04
  5. Step 5: Solve for x
    x = 7,379,918.04/3,116.08
  6. Step 6: Final answer
    x = 2,368.33

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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.