Home / 3,095.80-4,642.70-1,015.38

Finding the Fourth Proportional to 3,095.80, 4,642.70 and 1,015.38

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Solution

The fourth proportional to 3,095.80, 4,642.70 and 1,015.38 is: 1,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.80 : 4,642.70 = 1,015.38 : x
  2. Step 2: Convert to fraction form
    3,095.80/4,642.70 = 1,015.38/x
  3. Step 3: Cross multiply
    3,095.80x = 4,642.70 × 1,015.38
  4. Step 4: Simplify right side
    3,095.80x = 4,714,099.65
  5. Step 5: Solve for x
    x = 4,714,099.65/3,095.80
  6. Step 6: Final answer
    x = 1,522.74

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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.