Home / 2,341.81-3,230.69-1,346.86

Finding the Fourth Proportional to 2,341.81, 3,230.69 and 1,346.86

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Solution

The fourth proportional to 2,341.81, 3,230.69 and 1,346.86 is: 1,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.81 : 3,230.69 = 1,346.86 : x
  2. Step 2: Convert to fraction form
    2,341.81/3,230.69 = 1,346.86/x
  3. Step 3: Cross multiply
    2,341.81x = 3,230.69 × 1,346.86
  4. Step 4: Simplify right side
    2,341.81x = 4,351,284.44
  5. Step 5: Solve for x
    x = 4,351,284.44/2,341.81
  6. Step 6: Final answer
    x = 1,858.09

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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.