Home / 4,120.46-5,686.02-2,442

Finding the Fourth Proportional to 4,120.46, 5,686.02 and 2,442

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Solution

The fourth proportional to 4,120.46, 5,686.02 and 2,442 is: 3,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.46 : 5,686.02 = 2,442 : x
  2. Step 2: Convert to fraction form
    4,120.46/5,686.02 = 2,442/x
  3. Step 3: Cross multiply
    4,120.46x = 5,686.02 × 2,442
  4. Step 4: Simplify right side
    4,120.46x = 13,885,260.84
  5. Step 5: Solve for x
    x = 13,885,260.84/4,120.46
  6. Step 6: Final answer
    x = 3,369.84

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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.