Home / 3,615.45-5,425.20-1,535.10

Finding the Fourth Proportional to 3,615.45, 5,425.20 and 1,535.10

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Solution

The fourth proportional to 3,615.45, 5,425.20 and 1,535.10 is: 2,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.45 : 5,425.20 = 1,535.10 : x
  2. Step 2: Convert to fraction form
    3,615.45/5,425.20 = 1,535.10/x
  3. Step 3: Cross multiply
    3,615.45x = 5,425.20 × 1,535.10
  4. Step 4: Simplify right side
    3,615.45x = 8,328,224.52
  5. Step 5: Solve for x
    x = 8,328,224.52/3,615.45
  6. Step 6: Final answer
    x = 2,303.51

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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.