Home / 3,601.84-4,969.20-2,421.04

Finding the Fourth Proportional to 3,601.84, 4,969.20 and 2,421.04

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Solution

The fourth proportional to 3,601.84, 4,969.20 and 2,421.04 is: 3,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.84 : 4,969.20 = 2,421.04 : x
  2. Step 2: Convert to fraction form
    3,601.84/4,969.20 = 2,421.04/x
  3. Step 3: Cross multiply
    3,601.84x = 4,969.20 × 2,421.04
  4. Step 4: Simplify right side
    3,601.84x = 12,030,631.97
  5. Step 5: Solve for x
    x = 12,030,631.97/3,601.84
  6. Step 6: Final answer
    x = 3,340.14

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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.