Home / 3,148.70-4,345.03-1,732.12

Finding the Fourth Proportional to 3,148.70, 4,345.03 and 1,732.12

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Solution

The fourth proportional to 3,148.70, 4,345.03 and 1,732.12 is: 2,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.70 : 4,345.03 = 1,732.12 : x
  2. Step 2: Convert to fraction form
    3,148.70/4,345.03 = 1,732.12/x
  3. Step 3: Cross multiply
    3,148.70x = 4,345.03 × 1,732.12
  4. Step 4: Simplify right side
    3,148.70x = 7,526,113.36
  5. Step 5: Solve for x
    x = 7,526,113.36/3,148.70
  6. Step 6: Final answer
    x = 2,390.23

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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.