Home / 2,707.92-4,059.18-1,886.40

Finding the Fourth Proportional to 2,707.92, 4,059.18 and 1,886.40

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Solution

The fourth proportional to 2,707.92, 4,059.18 and 1,886.40 is: 2,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.92 : 4,059.18 = 1,886.40 : x
  2. Step 2: Convert to fraction form
    2,707.92/4,059.18 = 1,886.40/x
  3. Step 3: Cross multiply
    2,707.92x = 4,059.18 × 1,886.40
  4. Step 4: Simplify right side
    2,707.92x = 7,657,237.15
  5. Step 5: Solve for x
    x = 7,657,237.15/2,707.92
  6. Step 6: Final answer
    x = 2,827.72

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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.