Home / 3,428.83-4,731.74-1,937.23

Finding the Fourth Proportional to 3,428.83, 4,731.74 and 1,937.23

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Solution

The fourth proportional to 3,428.83, 4,731.74 and 1,937.23 is: 2,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.83 : 4,731.74 = 1,937.23 : x
  2. Step 2: Convert to fraction form
    3,428.83/4,731.74 = 1,937.23/x
  3. Step 3: Cross multiply
    3,428.83x = 4,731.74 × 1,937.23
  4. Step 4: Simplify right side
    3,428.83x = 9,166,454.43
  5. Step 5: Solve for x
    x = 9,166,454.43/3,428.83
  6. Step 6: Final answer
    x = 2,673.35

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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.