Home / 2,815.75-4,225.29-1,567.38

Finding the Fourth Proportional to 2,815.75, 4,225.29 and 1,567.38

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Solution

The fourth proportional to 2,815.75, 4,225.29 and 1,567.38 is: 2,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.75 : 4,225.29 = 1,567.38 : x
  2. Step 2: Convert to fraction form
    2,815.75/4,225.29 = 1,567.38/x
  3. Step 3: Cross multiply
    2,815.75x = 4,225.29 × 1,567.38
  4. Step 4: Simplify right side
    2,815.75x = 6,622,649.42
  5. Step 5: Solve for x
    x = 6,622,649.42/2,815.75
  6. Step 6: Final answer
    x = 2,352.01

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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.