Home / 4,260.74-6,391.92-2,070.50

Finding the Fourth Proportional to 4,260.74, 6,391.92 and 2,070.50

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Solution

The fourth proportional to 4,260.74, 6,391.92 and 2,070.50 is: 3,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.74 : 6,391.92 = 2,070.50 : x
  2. Step 2: Convert to fraction form
    4,260.74/6,391.92 = 2,070.50/x
  3. Step 3: Cross multiply
    4,260.74x = 6,391.92 × 2,070.50
  4. Step 4: Simplify right side
    4,260.74x = 13,234,470.36
  5. Step 5: Solve for x
    x = 13,234,470.36/4,260.74
  6. Step 6: Final answer
    x = 3,106.14

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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.