Home / 3,816.65-5,254.17-3,396.35

Finding the Fourth Proportional to 3,816.65, 5,254.17 and 3,396.35

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Solution

The fourth proportional to 3,816.65, 5,254.17 and 3,396.35 is: 4,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.65 : 5,254.17 = 3,396.35 : x
  2. Step 2: Convert to fraction form
    3,816.65/5,254.17 = 3,396.35/x
  3. Step 3: Cross multiply
    3,816.65x = 5,254.17 × 3,396.35
  4. Step 4: Simplify right side
    3,816.65x = 17,845,000.28
  5. Step 5: Solve for x
    x = 17,845,000.28/3,816.65
  6. Step 6: Final answer
    x = 4,675.57

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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.