Home / 3,914.89-5,872.61-1,574.90

Finding the Fourth Proportional to 3,914.89, 5,872.61 and 1,574.90

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Solution

The fourth proportional to 3,914.89, 5,872.61 and 1,574.90 is: 2,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.89 : 5,872.61 = 1,574.90 : x
  2. Step 2: Convert to fraction form
    3,914.89/5,872.61 = 1,574.90/x
  3. Step 3: Cross multiply
    3,914.89x = 5,872.61 × 1,574.90
  4. Step 4: Simplify right side
    3,914.89x = 9,248,773.49
  5. Step 5: Solve for x
    x = 9,248,773.49/3,914.89
  6. Step 6: Final answer
    x = 2,362.46

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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.