Home / 3,810.40-5,252.08-2,551.02

Finding the Fourth Proportional to 3,810.40, 5,252.08 and 2,551.02

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Solution

The fourth proportional to 3,810.40, 5,252.08 and 2,551.02 is: 3,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.40 : 5,252.08 = 2,551.02 : x
  2. Step 2: Convert to fraction form
    3,810.40/5,252.08 = 2,551.02/x
  3. Step 3: Cross multiply
    3,810.40x = 5,252.08 × 2,551.02
  4. Step 4: Simplify right side
    3,810.40x = 13,398,161.12
  5. Step 5: Solve for x
    x = 13,398,161.12/3,810.40
  6. Step 6: Final answer
    x = 3,516.21

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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.