Home / 4,043.64-5,579.56-2,275.14

Finding the Fourth Proportional to 4,043.64, 5,579.56 and 2,275.14

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Solution

The fourth proportional to 4,043.64, 5,579.56 and 2,275.14 is: 3,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.64 : 5,579.56 = 2,275.14 : x
  2. Step 2: Convert to fraction form
    4,043.64/5,579.56 = 2,275.14/x
  3. Step 3: Cross multiply
    4,043.64x = 5,579.56 × 2,275.14
  4. Step 4: Simplify right side
    4,043.64x = 12,694,280.14
  5. Step 5: Solve for x
    x = 12,694,280.14/4,043.64
  6. Step 6: Final answer
    x = 3,139.32

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Half scale
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Double 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.