Home / 3,263.76-4,894.56-1,621.08

Finding the Fourth Proportional to 3,263.76, 4,894.56 and 1,621.08

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Solution

The fourth proportional to 3,263.76, 4,894.56 and 1,621.08 is: 2,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.76 : 4,894.56 = 1,621.08 : x
  2. Step 2: Convert to fraction form
    3,263.76/4,894.56 = 1,621.08/x
  3. Step 3: Cross multiply
    3,263.76x = 4,894.56 × 1,621.08
  4. Step 4: Simplify right side
    3,263.76x = 7,934,473.32
  5. Step 5: Solve for x
    x = 7,934,473.32/3,263.76
  6. Step 6: Final answer
    x = 2,431.08

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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.