Home / 3,135.98-4,703.94-1,356.35

Finding the Fourth Proportional to 3,135.98, 4,703.94 and 1,356.35

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Solution

The fourth proportional to 3,135.98, 4,703.94 and 1,356.35 is: 2,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.98 : 4,703.94 = 1,356.35 : x
  2. Step 2: Convert to fraction form
    3,135.98/4,703.94 = 1,356.35/x
  3. Step 3: Cross multiply
    3,135.98x = 4,703.94 × 1,356.35
  4. Step 4: Simplify right side
    3,135.98x = 6,380,165.50
  5. Step 5: Solve for x
    x = 6,380,165.50/3,135.98
  6. Step 6: Final answer
    x = 2,034.50

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1.5x scale

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.