Home / 3,526.13-5,289.21-1,445.78

Finding the Fourth Proportional to 3,526.13, 5,289.21 and 1,445.78

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Solution

The fourth proportional to 3,526.13, 5,289.21 and 1,445.78 is: 2,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.13 : 5,289.21 = 1,445.78 : x
  2. Step 2: Convert to fraction form
    3,526.13/5,289.21 = 1,445.78/x
  3. Step 3: Cross multiply
    3,526.13x = 5,289.21 × 1,445.78
  4. Step 4: Simplify right side
    3,526.13x = 7,647,047.26
  5. Step 5: Solve for x
    x = 7,647,047.26/3,526.13
  6. Step 6: Final answer
    x = 2,168.68

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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.