Home / 3,112.58-4,670.49-1,265.06

Finding the Fourth Proportional to 3,112.58, 4,670.49 and 1,265.06

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Solution

The fourth proportional to 3,112.58, 4,670.49 and 1,265.06 is: 1,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.58 : 4,670.49 = 1,265.06 : x
  2. Step 2: Convert to fraction form
    3,112.58/4,670.49 = 1,265.06/x
  3. Step 3: Cross multiply
    3,112.58x = 4,670.49 × 1,265.06
  4. Step 4: Simplify right side
    3,112.58x = 5,908,450.08
  5. Step 5: Solve for x
    x = 5,908,450.08/3,112.58
  6. Step 6: Final answer
    x = 1,898.25

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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.