Home / 2,329.94-3,215.22-1,281.94

Finding the Fourth Proportional to 2,329.94, 3,215.22 and 1,281.94

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Solution

The fourth proportional to 2,329.94, 3,215.22 and 1,281.94 is: 1,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.94 : 3,215.22 = 1,281.94 : x
  2. Step 2: Convert to fraction form
    2,329.94/3,215.22 = 1,281.94/x
  3. Step 3: Cross multiply
    2,329.94x = 3,215.22 × 1,281.94
  4. Step 4: Simplify right side
    2,329.94x = 4,121,719.13
  5. Step 5: Solve for x
    x = 4,121,719.13/2,329.94
  6. Step 6: Final answer
    x = 1,769.02

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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.