Home / 3,725.88-5,585.70-2,907.76

Finding the Fourth Proportional to 3,725.88, 5,585.70 and 2,907.76

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Solution

The fourth proportional to 3,725.88, 5,585.70 and 2,907.76 is: 4,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.88 : 5,585.70 = 2,907.76 : x
  2. Step 2: Convert to fraction form
    3,725.88/5,585.70 = 2,907.76/x
  3. Step 3: Cross multiply
    3,725.88x = 5,585.70 × 2,907.76
  4. Step 4: Simplify right side
    3,725.88x = 16,241,875.03
  5. Step 5: Solve for x
    x = 16,241,875.03/3,725.88
  6. Step 6: Final answer
    x = 4,359.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.