Home / 4,120.37-5,686.45-2,328.17

Finding the Fourth Proportional to 4,120.37, 5,686.45 and 2,328.17

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Solution

The fourth proportional to 4,120.37, 5,686.45 and 2,328.17 is: 3,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.37 : 5,686.45 = 2,328.17 : x
  2. Step 2: Convert to fraction form
    4,120.37/5,686.45 = 2,328.17/x
  3. Step 3: Cross multiply
    4,120.37x = 5,686.45 × 2,328.17
  4. Step 4: Simplify right side
    4,120.37x = 13,239,022.30
  5. Step 5: Solve for x
    x = 13,239,022.30/4,120.37
  6. Step 6: Final answer
    x = 3,213.07

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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.