Home / 3,428.15-4,731.08-1,935.52

Finding the Fourth Proportional to 3,428.15, 4,731.08 and 1,935.52

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Solution

The fourth proportional to 3,428.15, 4,731.08 and 1,935.52 is: 2,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.15 : 4,731.08 = 1,935.52 : x
  2. Step 2: Convert to fraction form
    3,428.15/4,731.08 = 1,935.52/x
  3. Step 3: Cross multiply
    3,428.15x = 4,731.08 × 1,935.52
  4. Step 4: Simplify right side
    3,428.15x = 9,157,078.46
  5. Step 5: Solve for x
    x = 9,157,078.46/3,428.15
  6. Step 6: Final answer
    x = 2,671.15

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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.