Home / 2,331.19-3,216.95-1,283.19

Finding the Fourth Proportional to 2,331.19, 3,216.95 and 1,283.19

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Solution

The fourth proportional to 2,331.19, 3,216.95 and 1,283.19 is: 1,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.19 : 3,216.95 = 1,283.19 : x
  2. Step 2: Convert to fraction form
    2,331.19/3,216.95 = 1,283.19/x
  3. Step 3: Cross multiply
    2,331.19x = 3,216.95 × 1,283.19
  4. Step 4: Simplify right side
    2,331.19x = 4,127,935.57
  5. Step 5: Solve for x
    x = 4,127,935.57/2,331.19
  6. Step 6: Final answer
    x = 1,770.74

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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.