Home / 3,929.06-5,421.99-2,532.62

Finding the Fourth Proportional to 3,929.06, 5,421.99 and 2,532.62

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Solution

The fourth proportional to 3,929.06, 5,421.99 and 2,532.62 is: 3,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.06 : 5,421.99 = 2,532.62 : x
  2. Step 2: Convert to fraction form
    3,929.06/5,421.99 = 2,532.62/x
  3. Step 3: Cross multiply
    3,929.06x = 5,421.99 × 2,532.62
  4. Step 4: Simplify right side
    3,929.06x = 13,731,840.31
  5. Step 5: Solve for x
    x = 13,731,840.31/3,929.06
  6. Step 6: Final answer
    x = 3,494.94

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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.