Home / 3,492.72-4,816.80-2,095.20

Finding the Fourth Proportional to 3,492.72, 4,816.80 and 2,095.20

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Solution

The fourth proportional to 3,492.72, 4,816.80 and 2,095.20 is: 2,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.72 : 4,816.80 = 2,095.20 : x
  2. Step 2: Convert to fraction form
    3,492.72/4,816.80 = 2,095.20/x
  3. Step 3: Cross multiply
    3,492.72x = 4,816.80 × 2,095.20
  4. Step 4: Simplify right side
    3,492.72x = 10,092,159.36
  5. Step 5: Solve for x
    x = 10,092,159.36/3,492.72
  6. Step 6: Final answer
    x = 2,889.48

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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.