Home / 3,313.65-4,972.75-1,235.31

Finding the Fourth Proportional to 3,313.65, 4,972.75 and 1,235.31

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Solution

The fourth proportional to 3,313.65, 4,972.75 and 1,235.31 is: 1,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.65 : 4,972.75 = 1,235.31 : x
  2. Step 2: Convert to fraction form
    3,313.65/4,972.75 = 1,235.31/x
  3. Step 3: Cross multiply
    3,313.65x = 4,972.75 × 1,235.31
  4. Step 4: Simplify right side
    3,313.65x = 6,142,901.90
  5. Step 5: Solve for x
    x = 6,142,901.90/3,313.65
  6. Step 6: Final answer
    x = 1,853.82

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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.