Home / 3,430.62-4,732.56-2,310.12

Finding the Fourth Proportional to 3,430.62, 4,732.56 and 2,310.12

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Solution

The fourth proportional to 3,430.62, 4,732.56 and 2,310.12 is: 3,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.62 : 4,732.56 = 2,310.12 : x
  2. Step 2: Convert to fraction form
    3,430.62/4,732.56 = 2,310.12/x
  3. Step 3: Cross multiply
    3,430.62x = 4,732.56 × 2,310.12
  4. Step 4: Simplify right side
    3,430.62x = 10,932,781.51
  5. Step 5: Solve for x
    x = 10,932,781.51/3,430.62
  6. Step 6: Final answer
    x = 3,186.82

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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.