Home / 3,564.18-5,343.38-1,485.74

Finding the Fourth Proportional to 3,564.18, 5,343.38 and 1,485.74

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Solution

The fourth proportional to 3,564.18, 5,343.38 and 1,485.74 is: 2,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.18 : 5,343.38 = 1,485.74 : x
  2. Step 2: Convert to fraction form
    3,564.18/5,343.38 = 1,485.74/x
  3. Step 3: Cross multiply
    3,564.18x = 5,343.38 × 1,485.74
  4. Step 4: Simplify right side
    3,564.18x = 7,938,839.26
  5. Step 5: Solve for x
    x = 7,938,839.26/3,564.18
  6. Step 6: Final answer
    x = 2,227.40

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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.