Home / 2,915.42-4,018.46-2,063.57

Finding the Fourth Proportional to 2,915.42, 4,018.46 and 2,063.57

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Solution

The fourth proportional to 2,915.42, 4,018.46 and 2,063.57 is: 2,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.42 : 4,018.46 = 2,063.57 : x
  2. Step 2: Convert to fraction form
    2,915.42/4,018.46 = 2,063.57/x
  3. Step 3: Cross multiply
    2,915.42x = 4,018.46 × 2,063.57
  4. Step 4: Simplify right side
    2,915.42x = 8,292,343.09
  5. Step 5: Solve for x
    x = 8,292,343.09/2,915.42
  6. Step 6: Final answer
    x = 2,844.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.