Home / 3,656.10-5,041.52-2,947.20

Finding the Fourth Proportional to 3,656.10, 5,041.52 and 2,947.20

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Solution

The fourth proportional to 3,656.10, 5,041.52 and 2,947.20 is: 4,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.10 : 5,041.52 = 2,947.20 : x
  2. Step 2: Convert to fraction form
    3,656.10/5,041.52 = 2,947.20/x
  3. Step 3: Cross multiply
    3,656.10x = 5,041.52 × 2,947.20
  4. Step 4: Simplify right side
    3,656.10x = 14,858,353.01
  5. Step 5: Solve for x
    x = 14,858,353.01/3,656.10
  6. Step 6: Final answer
    x = 4,063.99

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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.