Home / 3,261.30-4,500.61-1,935.08

Finding the Fourth Proportional to 3,261.30, 4,500.61 and 1,935.08

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Solution

The fourth proportional to 3,261.30, 4,500.61 and 1,935.08 is: 2,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.30 : 4,500.61 = 1,935.08 : x
  2. Step 2: Convert to fraction form
    3,261.30/4,500.61 = 1,935.08/x
  3. Step 3: Cross multiply
    3,261.30x = 4,500.61 × 1,935.08
  4. Step 4: Simplify right side
    3,261.30x = 8,709,040.40
  5. Step 5: Solve for x
    x = 8,709,040.40/3,261.30
  6. Step 6: Final answer
    x = 2,670.42

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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.