Home / 4,240.64-6,360.35-2,048.78

Finding the Fourth Proportional to 4,240.64, 6,360.35 and 2,048.78

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Solution

The fourth proportional to 4,240.64, 6,360.35 and 2,048.78 is: 3,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.64 : 6,360.35 = 2,048.78 : x
  2. Step 2: Convert to fraction form
    4,240.64/6,360.35 = 2,048.78/x
  3. Step 3: Cross multiply
    4,240.64x = 6,360.35 × 2,048.78
  4. Step 4: Simplify right side
    4,240.64x = 13,030,915.83
  5. Step 5: Solve for x
    x = 13,030,915.83/4,240.64
  6. Step 6: Final answer
    x = 3,072.87

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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.