Home / 3,275.34-4,913.55-1,328.88

Finding the Fourth Proportional to 3,275.34, 4,913.55 and 1,328.88

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Solution

The fourth proportional to 3,275.34, 4,913.55 and 1,328.88 is: 1,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.34 : 4,913.55 = 1,328.88 : x
  2. Step 2: Convert to fraction form
    3,275.34/4,913.55 = 1,328.88/x
  3. Step 3: Cross multiply
    3,275.34x = 4,913.55 × 1,328.88
  4. Step 4: Simplify right side
    3,275.34x = 6,529,518.32
  5. Step 5: Solve for x
    x = 6,529,518.32/3,275.34
  6. Step 6: Final answer
    x = 1,993.54

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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.