Home / 3,872.04-5,347.84-2,551.64

Finding the Fourth Proportional to 3,872.04, 5,347.84 and 2,551.64

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Solution

The fourth proportional to 3,872.04, 5,347.84 and 2,551.64 is: 3,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.04 : 5,347.84 = 2,551.64 : x
  2. Step 2: Convert to fraction form
    3,872.04/5,347.84 = 2,551.64/x
  3. Step 3: Cross multiply
    3,872.04x = 5,347.84 × 2,551.64
  4. Step 4: Simplify right side
    3,872.04x = 13,645,762.46
  5. Step 5: Solve for x
    x = 13,645,762.46/3,872.04
  6. Step 6: Final answer
    x = 3,524.18

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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.