Home / 3,476.79-4,763.61-3,428.19

Finding the Fourth Proportional to 3,476.79, 4,763.61 and 3,428.19

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Solution

The fourth proportional to 3,476.79, 4,763.61 and 3,428.19 is: 4,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.79 : 4,763.61 = 3,428.19 : x
  2. Step 2: Convert to fraction form
    3,476.79/4,763.61 = 3,428.19/x
  3. Step 3: Cross multiply
    3,476.79x = 4,763.61 × 3,428.19
  4. Step 4: Simplify right side
    3,476.79x = 16,330,560.17
  5. Step 5: Solve for x
    x = 16,330,560.17/3,476.79
  6. Step 6: Final answer
    x = 4,697.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.