Home / 3,615.25-5,423.68-1,535.32

Finding the Fourth Proportional to 3,615.25, 5,423.68 and 1,535.32

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Solution

The fourth proportional to 3,615.25, 5,423.68 and 1,535.32 is: 2,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.25 : 5,423.68 = 1,535.32 : x
  2. Step 2: Convert to fraction form
    3,615.25/5,423.68 = 1,535.32/x
  3. Step 3: Cross multiply
    3,615.25x = 5,423.68 × 1,535.32
  4. Step 4: Simplify right side
    3,615.25x = 8,327,074.51
  5. Step 5: Solve for x
    x = 8,327,074.51/3,615.25
  6. Step 6: Final answer
    x = 2,303.32

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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.