Home / 2,939.76-4,056.30-1,744.74

Finding the Fourth Proportional to 2,939.76, 4,056.30 and 1,744.74

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Solution

The fourth proportional to 2,939.76, 4,056.30 and 1,744.74 is: 2,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.76 : 4,056.30 = 1,744.74 : x
  2. Step 2: Convert to fraction form
    2,939.76/4,056.30 = 1,744.74/x
  3. Step 3: Cross multiply
    2,939.76x = 4,056.30 × 1,744.74
  4. Step 4: Simplify right side
    2,939.76x = 7,077,188.86
  5. Step 5: Solve for x
    x = 7,077,188.86/2,939.76
  6. Step 6: Final answer
    x = 2,407.40

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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.