Home / 4,042.89-5,579.79-2,470.68

Finding the Fourth Proportional to 4,042.89, 5,579.79 and 2,470.68

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Solution

The fourth proportional to 4,042.89, 5,579.79 and 2,470.68 is: 3,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.89 : 5,579.79 = 2,470.68 : x
  2. Step 2: Convert to fraction form
    4,042.89/5,579.79 = 2,470.68/x
  3. Step 3: Cross multiply
    4,042.89x = 5,579.79 × 2,470.68
  4. Step 4: Simplify right side
    4,042.89x = 13,785,875.56
  5. Step 5: Solve for x
    x = 13,785,875.56/4,042.89
  6. Step 6: Final answer
    x = 3,409.91

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1.5x scale

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.