Home / 3,725.84-5,141.05-2,153.63

Finding the Fourth Proportional to 3,725.84, 5,141.05 and 2,153.63

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Solution

The fourth proportional to 3,725.84, 5,141.05 and 2,153.63 is: 2,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.84 : 5,141.05 = 2,153.63 : x
  2. Step 2: Convert to fraction form
    3,725.84/5,141.05 = 2,153.63/x
  3. Step 3: Cross multiply
    3,725.84x = 5,141.05 × 2,153.63
  4. Step 4: Simplify right side
    3,725.84x = 11,071,888.42
  5. Step 5: Solve for x
    x = 11,071,888.42/3,725.84
  6. Step 6: Final answer
    x = 2,971.65

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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.