Home / 3,899.52-5,840.64-2,165.04

Finding the Fourth Proportional to 3,899.52, 5,840.64 and 2,165.04

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Solution

The fourth proportional to 3,899.52, 5,840.64 and 2,165.04 is: 3,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.52 : 5,840.64 = 2,165.04 : x
  2. Step 2: Convert to fraction form
    3,899.52/5,840.64 = 2,165.04/x
  3. Step 3: Cross multiply
    3,899.52x = 5,840.64 × 2,165.04
  4. Step 4: Simplify right side
    3,899.52x = 12,645,219.23
  5. Step 5: Solve for x
    x = 12,645,219.23/3,899.52
  6. Step 6: Final answer
    x = 3,242.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.