Home / 3,509.32-5,263.96-1,200.76

Finding the Fourth Proportional to 3,509.32, 5,263.96 and 1,200.76

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Solution

The fourth proportional to 3,509.32, 5,263.96 and 1,200.76 is: 1,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.32 : 5,263.96 = 1,200.76 : x
  2. Step 2: Convert to fraction form
    3,509.32/5,263.96 = 1,200.76/x
  3. Step 3: Cross multiply
    3,509.32x = 5,263.96 × 1,200.76
  4. Step 4: Simplify right side
    3,509.32x = 6,320,752.61
  5. Step 5: Solve for x
    x = 6,320,752.61/3,509.32
  6. Step 6: Final answer
    x = 1,801.13

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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.