Home / 1,915.26-2,870.64-1,451.52

Finding the Fourth Proportional to 1,915.26, 2,870.64 and 1,451.52

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Solution

The fourth proportional to 1,915.26, 2,870.64 and 1,451.52 is: 2,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.26 : 2,870.64 = 1,451.52 : x
  2. Step 2: Convert to fraction form
    1,915.26/2,870.64 = 1,451.52/x
  3. Step 3: Cross multiply
    1,915.26x = 2,870.64 × 1,451.52
  4. Step 4: Simplify right side
    1,915.26x = 4,166,791.37
  5. Step 5: Solve for x
    x = 4,166,791.37/1,915.26
  6. Step 6: Final answer
    x = 2,175.57

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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.