Home / 2,329.38-3,214.74-1,281.64

Finding the Fourth Proportional to 2,329.38, 3,214.74 and 1,281.64

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Solution

The fourth proportional to 2,329.38, 3,214.74 and 1,281.64 is: 1,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.38 : 3,214.74 = 1,281.64 : x
  2. Step 2: Convert to fraction form
    2,329.38/3,214.74 = 1,281.64/x
  3. Step 3: Cross multiply
    2,329.38x = 3,214.74 × 1,281.64
  4. Step 4: Simplify right side
    2,329.38x = 4,120,139.37
  5. Step 5: Solve for x
    x = 4,120,139.37/2,329.38
  6. Step 6: Final answer
    x = 1,768.77

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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.