Home / 4,043-5,579.40-2,470.76

Finding the Fourth Proportional to 4,043, 5,579.40 and 2,470.76

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Solution

The fourth proportional to 4,043, 5,579.40 and 2,470.76 is: 3,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043 : 5,579.40 = 2,470.76 : x
  2. Step 2: Convert to fraction form
    4,043/5,579.40 = 2,470.76/x
  3. Step 3: Cross multiply
    4,043x = 5,579.40 × 2,470.76
  4. Step 4: Simplify right side
    4,043x = 13,785,358.34
  5. Step 5: Solve for x
    x = 13,785,358.34/4,043
  6. Step 6: Final answer
    x = 3,409.69

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Half scale
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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.