Home / 3,787.45-5,681.99-1,597.21

Finding the Fourth Proportional to 3,787.45, 5,681.99 and 1,597.21

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Solution

The fourth proportional to 3,787.45, 5,681.99 and 1,597.21 is: 2,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.45 : 5,681.99 = 1,597.21 : x
  2. Step 2: Convert to fraction form
    3,787.45/5,681.99 = 1,597.21/x
  3. Step 3: Cross multiply
    3,787.45x = 5,681.99 × 1,597.21
  4. Step 4: Simplify right side
    3,787.45x = 9,075,331.25
  5. Step 5: Solve for x
    x = 9,075,331.25/3,787.45
  6. Step 6: Final answer
    x = 2,396.16

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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.