Home / 2,331.06-3,216.75-1,283.10

Finding the Fourth Proportional to 2,331.06, 3,216.75 and 1,283.10

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Solution

The fourth proportional to 2,331.06, 3,216.75 and 1,283.10 is: 1,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.06 : 3,216.75 = 1,283.10 : x
  2. Step 2: Convert to fraction form
    2,331.06/3,216.75 = 1,283.10/x
  3. Step 3: Cross multiply
    2,331.06x = 3,216.75 × 1,283.10
  4. Step 4: Simplify right side
    2,331.06x = 4,127,411.93
  5. Step 5: Solve for x
    x = 4,127,411.93/2,331.06
  6. Step 6: Final answer
    x = 1,770.62

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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.