Home / 3,142.51-4,713.67-1,293.10

Finding the Fourth Proportional to 3,142.51, 4,713.67 and 1,293.10

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Solution

The fourth proportional to 3,142.51, 4,713.67 and 1,293.10 is: 1,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.51 : 4,713.67 = 1,293.10 : x
  2. Step 2: Convert to fraction form
    3,142.51/4,713.67 = 1,293.10/x
  3. Step 3: Cross multiply
    3,142.51x = 4,713.67 × 1,293.10
  4. Step 4: Simplify right side
    3,142.51x = 6,095,246.68
  5. Step 5: Solve for x
    x = 6,095,246.68/3,142.51
  6. Step 6: Final answer
    x = 1,939.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.