Home / 3,725.14-5,141.32-2,154.14

Finding the Fourth Proportional to 3,725.14, 5,141.32 and 2,154.14

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Solution

The fourth proportional to 3,725.14, 5,141.32 and 2,154.14 is: 2,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.14 : 5,141.32 = 2,154.14 : x
  2. Step 2: Convert to fraction form
    3,725.14/5,141.32 = 2,154.14/x
  3. Step 3: Cross multiply
    3,725.14x = 5,141.32 × 2,154.14
  4. Step 4: Simplify right side
    3,725.14x = 11,075,123.06
  5. Step 5: Solve for x
    x = 11,075,123.06/3,725.14
  6. Step 6: Final answer
    x = 2,973.08

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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.