Home / 3,760.08-5,643.36-2,118.24

Finding the Fourth Proportional to 3,760.08, 5,643.36 and 2,118.24

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Solution

The fourth proportional to 3,760.08, 5,643.36 and 2,118.24 is: 3,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.08 : 5,643.36 = 2,118.24 : x
  2. Step 2: Convert to fraction form
    3,760.08/5,643.36 = 2,118.24/x
  3. Step 3: Cross multiply
    3,760.08x = 5,643.36 × 2,118.24
  4. Step 4: Simplify right side
    3,760.08x = 11,953,990.89
  5. Step 5: Solve for x
    x = 11,953,990.89/3,760.08
  6. Step 6: Final answer
    x = 3,179.19

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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.