Home / 3,821.49-5,274.75-2,477.05

Finding the Fourth Proportional to 3,821.49, 5,274.75 and 2,477.05

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Solution

The fourth proportional to 3,821.49, 5,274.75 and 2,477.05 is: 3,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.49 : 5,274.75 = 2,477.05 : x
  2. Step 2: Convert to fraction form
    3,821.49/5,274.75 = 2,477.05/x
  3. Step 3: Cross multiply
    3,821.49x = 5,274.75 × 2,477.05
  4. Step 4: Simplify right side
    3,821.49x = 13,065,793.11
  5. Step 5: Solve for x
    x = 13,065,793.11/3,821.49
  6. Step 6: Final answer
    x = 3,419.04

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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.