Home / 3,428.93-4,732.43-2,630.88

Finding the Fourth Proportional to 3,428.93, 4,732.43 and 2,630.88

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Solution

The fourth proportional to 3,428.93, 4,732.43 and 2,630.88 is: 3,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.93 : 4,732.43 = 2,630.88 : x
  2. Step 2: Convert to fraction form
    3,428.93/4,732.43 = 2,630.88/x
  3. Step 3: Cross multiply
    3,428.93x = 4,732.43 × 2,630.88
  4. Step 4: Simplify right side
    3,428.93x = 12,450,442.28
  5. Step 5: Solve for x
    x = 12,450,442.28/3,428.93
  6. Step 6: Final answer
    x = 3,631.00

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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.