Home / 3,256.79-4,492.91-1,929.74

Finding the Fourth Proportional to 3,256.79, 4,492.91 and 1,929.74

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Solution

The fourth proportional to 3,256.79, 4,492.91 and 1,929.74 is: 2,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.79 : 4,492.91 = 1,929.74 : x
  2. Step 2: Convert to fraction form
    3,256.79/4,492.91 = 1,929.74/x
  3. Step 3: Cross multiply
    3,256.79x = 4,492.91 × 1,929.74
  4. Step 4: Simplify right side
    3,256.79x = 8,670,116.03
  5. Step 5: Solve for x
    x = 8,670,116.03/3,256.79
  6. Step 6: Final answer
    x = 2,662.17

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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.