Home / 2,920.58-4,030.92-1,741.72

Finding the Fourth Proportional to 2,920.58, 4,030.92 and 1,741.72

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Solution

The fourth proportional to 2,920.58, 4,030.92 and 1,741.72 is: 2,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.58 : 4,030.92 = 1,741.72 : x
  2. Step 2: Convert to fraction form
    2,920.58/4,030.92 = 1,741.72/x
  3. Step 3: Cross multiply
    2,920.58x = 4,030.92 × 1,741.72
  4. Step 4: Simplify right side
    2,920.58x = 7,020,725.27
  5. Step 5: Solve for x
    x = 7,020,725.27/2,920.58
  6. Step 6: Final answer
    x = 2,403.88

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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.