Home / 3,824.56-5,281.01-3,116.51

Finding the Fourth Proportional to 3,824.56, 5,281.01 and 3,116.51

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Solution

The fourth proportional to 3,824.56, 5,281.01 and 3,116.51 is: 4,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.56 : 5,281.01 = 3,116.51 : x
  2. Step 2: Convert to fraction form
    3,824.56/5,281.01 = 3,116.51/x
  3. Step 3: Cross multiply
    3,824.56x = 5,281.01 × 3,116.51
  4. Step 4: Simplify right side
    3,824.56x = 16,458,304.89
  5. Step 5: Solve for x
    x = 16,458,304.89/3,824.56
  6. Step 6: Final answer
    x = 4,303.32

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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.