Home / 3,485.21-5,225.65-1,635.53

Finding the Fourth Proportional to 3,485.21, 5,225.65 and 1,635.53

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Solution

The fourth proportional to 3,485.21, 5,225.65 and 1,635.53 is: 2,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.21 : 5,225.65 = 1,635.53 : x
  2. Step 2: Convert to fraction form
    3,485.21/5,225.65 = 1,635.53/x
  3. Step 3: Cross multiply
    3,485.21x = 5,225.65 × 1,635.53
  4. Step 4: Simplify right side
    3,485.21x = 8,546,707.34
  5. Step 5: Solve for x
    x = 8,546,707.34/3,485.21
  6. Step 6: Final answer
    x = 2,452.28

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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.