Home / 2,331.07-3,216.87-1,283.11

Finding the Fourth Proportional to 2,331.07, 3,216.87 and 1,283.11

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Solution

The fourth proportional to 2,331.07, 3,216.87 and 1,283.11 is: 1,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.07 : 3,216.87 = 1,283.11 : x
  2. Step 2: Convert to fraction form
    2,331.07/3,216.87 = 1,283.11/x
  3. Step 3: Cross multiply
    2,331.07x = 3,216.87 × 1,283.11
  4. Step 4: Simplify right side
    2,331.07x = 4,127,598.07
  5. Step 5: Solve for x
    x = 4,127,598.07/2,331.07
  6. Step 6: Final answer
    x = 1,770.69

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1.5x scale

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.