Home / 3,428.07-4,730.58-2,101.56

Finding the Fourth Proportional to 3,428.07, 4,730.58 and 2,101.56

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Solution

The fourth proportional to 3,428.07, 4,730.58 and 2,101.56 is: 2,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.07 : 4,730.58 = 2,101.56 : x
  2. Step 2: Convert to fraction form
    3,428.07/4,730.58 = 2,101.56/x
  3. Step 3: Cross multiply
    3,428.07x = 4,730.58 × 2,101.56
  4. Step 4: Simplify right side
    3,428.07x = 9,941,597.70
  5. Step 5: Solve for x
    x = 9,941,597.70/3,428.07
  6. Step 6: Final answer
    x = 2,900.06

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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.