Home / 3,870.80-5,346.84-3,041.96

Finding the Fourth Proportional to 3,870.80, 5,346.84 and 3,041.96

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Solution

The fourth proportional to 3,870.80, 5,346.84 and 3,041.96 is: 4,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.80 : 5,346.84 = 3,041.96 : x
  2. Step 2: Convert to fraction form
    3,870.80/5,346.84 = 3,041.96/x
  3. Step 3: Cross multiply
    3,870.80x = 5,346.84 × 3,041.96
  4. Step 4: Simplify right side
    3,870.80x = 16,264,873.41
  5. Step 5: Solve for x
    x = 16,264,873.41/3,870.80
  6. Step 6: Final answer
    x = 4,201.94

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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.