Home / 2,329.85-3,215.07-1,334.90

Finding the Fourth Proportional to 2,329.85, 3,215.07 and 1,334.90

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Solution

The fourth proportional to 2,329.85, 3,215.07 and 1,334.90 is: 1,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.85 : 3,215.07 = 1,334.90 : x
  2. Step 2: Convert to fraction form
    2,329.85/3,215.07 = 1,334.90/x
  3. Step 3: Cross multiply
    2,329.85x = 3,215.07 × 1,334.90
  4. Step 4: Simplify right side
    2,329.85x = 4,291,780.87
  5. Step 5: Solve for x
    x = 4,291,780.87/2,329.85
  6. Step 6: Final answer
    x = 1,842.09

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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.