Home / 1,915.69-2,874.98-1,535.53

Finding the Fourth Proportional to 1,915.69, 2,874.98 and 1,535.53

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Solution

The fourth proportional to 1,915.69, 2,874.98 and 1,535.53 is: 2,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.69 : 2,874.98 = 1,535.53 : x
  2. Step 2: Convert to fraction form
    1,915.69/2,874.98 = 1,535.53/x
  3. Step 3: Cross multiply
    1,915.69x = 2,874.98 × 1,535.53
  4. Step 4: Simplify right side
    1,915.69x = 4,414,618.04
  5. Step 5: Solve for x
    x = 4,414,618.04/1,915.69
  6. Step 6: Final answer
    x = 2,304.45

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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.