Home / 3,298.45-4,551.86-1,806.46

Finding the Fourth Proportional to 3,298.45, 4,551.86 and 1,806.46

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Solution

The fourth proportional to 3,298.45, 4,551.86 and 1,806.46 is: 2,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.45 : 4,551.86 = 1,806.46 : x
  2. Step 2: Convert to fraction form
    3,298.45/4,551.86 = 1,806.46/x
  3. Step 3: Cross multiply
    3,298.45x = 4,551.86 × 1,806.46
  4. Step 4: Simplify right side
    3,298.45x = 8,222,753.02
  5. Step 5: Solve for x
    x = 8,222,753.02/3,298.45
  6. Step 6: Final answer
    x = 2,492.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.