Home / 3,522.40-5,285.12-1,674.80

Finding the Fourth Proportional to 3,522.40, 5,285.12 and 1,674.80

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Solution

The fourth proportional to 3,522.40, 5,285.12 and 1,674.80 is: 2,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.40 : 5,285.12 = 1,674.80 : x
  2. Step 2: Convert to fraction form
    3,522.40/5,285.12 = 1,674.80/x
  3. Step 3: Cross multiply
    3,522.40x = 5,285.12 × 1,674.80
  4. Step 4: Simplify right side
    3,522.40x = 8,851,518.98
  5. Step 5: Solve for x
    x = 8,851,518.98/3,522.40
  6. Step 6: Final answer
    x = 2,512.92

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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.