Home / 2,329.32-3,214.44-1,281.44

Finding the Fourth Proportional to 2,329.32, 3,214.44 and 1,281.44

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Solution

The fourth proportional to 2,329.32, 3,214.44 and 1,281.44 is: 1,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.32 : 3,214.44 = 1,281.44 : x
  2. Step 2: Convert to fraction form
    2,329.32/3,214.44 = 1,281.44/x
  3. Step 3: Cross multiply
    2,329.32x = 3,214.44 × 1,281.44
  4. Step 4: Simplify right side
    2,329.32x = 4,119,111.99
  5. Step 5: Solve for x
    x = 4,119,111.99/2,329.32
  6. Step 6: Final answer
    x = 1,768.38

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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.