Home / 3,798.98-5,245.78-2,681.18

Finding the Fourth Proportional to 3,798.98, 5,245.78 and 2,681.18

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Solution

The fourth proportional to 3,798.98, 5,245.78 and 2,681.18 is: 3,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.98 : 5,245.78 = 2,681.18 : x
  2. Step 2: Convert to fraction form
    3,798.98/5,245.78 = 2,681.18/x
  3. Step 3: Cross multiply
    3,798.98x = 5,245.78 × 2,681.18
  4. Step 4: Simplify right side
    3,798.98x = 14,064,880.42
  5. Step 5: Solve for x
    x = 14,064,880.42/3,798.98
  6. Step 6: Final answer
    x = 3,702.28

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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.