Home / 3,146.54-4,342.33-1,730.28

Finding the Fourth Proportional to 3,146.54, 4,342.33 and 1,730.28

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Solution

The fourth proportional to 3,146.54, 4,342.33 and 1,730.28 is: 2,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.54 : 4,342.33 = 1,730.28 : x
  2. Step 2: Convert to fraction form
    3,146.54/4,342.33 = 1,730.28/x
  3. Step 3: Cross multiply
    3,146.54x = 4,342.33 × 1,730.28
  4. Step 4: Simplify right side
    3,146.54x = 7,513,442.43
  5. Step 5: Solve for x
    x = 7,513,442.43/3,146.54
  6. Step 6: Final answer
    x = 2,387.85

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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.