Home / 3,298.12-4,551.90-1,900.60

Finding the Fourth Proportional to 3,298.12, 4,551.90 and 1,900.60

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Solution

The fourth proportional to 3,298.12, 4,551.90 and 1,900.60 is: 2,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.12 : 4,551.90 = 1,900.60 : x
  2. Step 2: Convert to fraction form
    3,298.12/4,551.90 = 1,900.60/x
  3. Step 3: Cross multiply
    3,298.12x = 4,551.90 × 1,900.60
  4. Step 4: Simplify right side
    3,298.12x = 8,651,341.14
  5. Step 5: Solve for x
    x = 8,651,341.14/3,298.12
  6. Step 6: Final answer
    x = 2,623.11

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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.