Home / 4,120.34-5,686.08-2,257.34

Finding the Fourth Proportional to 4,120.34, 5,686.08 and 2,257.34

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Solution

The fourth proportional to 4,120.34, 5,686.08 and 2,257.34 is: 3,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.34 : 5,686.08 = 2,257.34 : x
  2. Step 2: Convert to fraction form
    4,120.34/5,686.08 = 2,257.34/x
  3. Step 3: Cross multiply
    4,120.34x = 5,686.08 × 2,257.34
  4. Step 4: Simplify right side
    4,120.34x = 12,835,415.83
  5. Step 5: Solve for x
    x = 12,835,415.83/4,120.34
  6. Step 6: Final answer
    x = 3,115.14

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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.