Home / 3,135.56-4,702.73-2,979.45

Finding the Fourth Proportional to 3,135.56, 4,702.73 and 2,979.45

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Solution

The fourth proportional to 3,135.56, 4,702.73 and 2,979.45 is: 4,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.56 : 4,702.73 = 2,979.45 : x
  2. Step 2: Convert to fraction form
    3,135.56/4,702.73 = 2,979.45/x
  3. Step 3: Cross multiply
    3,135.56x = 4,702.73 × 2,979.45
  4. Step 4: Simplify right side
    3,135.56x = 14,011,534.00
  5. Step 5: Solve for x
    x = 14,011,534.00/3,135.56
  6. Step 6: Final answer
    x = 4,468.60

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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.