Home / 3,592.90-5,387.20-1,399.06

Finding the Fourth Proportional to 3,592.90, 5,387.20 and 1,399.06

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Solution

The fourth proportional to 3,592.90, 5,387.20 and 1,399.06 is: 2,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.90 : 5,387.20 = 1,399.06 : x
  2. Step 2: Convert to fraction form
    3,592.90/5,387.20 = 1,399.06/x
  3. Step 3: Cross multiply
    3,592.90x = 5,387.20 × 1,399.06
  4. Step 4: Simplify right side
    3,592.90x = 7,536,999.07
  5. Step 5: Solve for x
    x = 7,536,999.07/3,592.90
  6. Step 6: Final answer
    x = 2,097.75

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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.