Home / 3,509.12-5,263.56-1,043.88

Finding the Fourth Proportional to 3,509.12, 5,263.56 and 1,043.88

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Solution

The fourth proportional to 3,509.12, 5,263.56 and 1,043.88 is: 1,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.12 : 5,263.56 = 1,043.88 : x
  2. Step 2: Convert to fraction form
    3,509.12/5,263.56 = 1,043.88/x
  3. Step 3: Cross multiply
    3,509.12x = 5,263.56 × 1,043.88
  4. Step 4: Simplify right side
    3,509.12x = 5,494,525.01
  5. Step 5: Solve for x
    x = 5,494,525.01/3,509.12
  6. Step 6: Final answer
    x = 1,565.78

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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.