Home / 3,525.60-5,285.10-1,335.80

Finding the Fourth Proportional to 3,525.60, 5,285.10 and 1,335.80

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Solution

The fourth proportional to 3,525.60, 5,285.10 and 1,335.80 is: 2,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.60 : 5,285.10 = 1,335.80 : x
  2. Step 2: Convert to fraction form
    3,525.60/5,285.10 = 1,335.80/x
  3. Step 3: Cross multiply
    3,525.60x = 5,285.10 × 1,335.80
  4. Step 4: Simplify right side
    3,525.60x = 7,059,836.58
  5. Step 5: Solve for x
    x = 7,059,836.58/3,525.60
  6. Step 6: Final answer
    x = 2,002.45

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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.