Home / 3,345.21-4,616.63-2,000.87

Finding the Fourth Proportional to 3,345.21, 4,616.63 and 2,000.87

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Solution

The fourth proportional to 3,345.21, 4,616.63 and 2,000.87 is: 2,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.21 : 4,616.63 = 2,000.87 : x
  2. Step 2: Convert to fraction form
    3,345.21/4,616.63 = 2,000.87/x
  3. Step 3: Cross multiply
    3,345.21x = 4,616.63 × 2,000.87
  4. Step 4: Simplify right side
    3,345.21x = 9,237,268.20
  5. Step 5: Solve for x
    x = 9,237,268.20/3,345.21
  6. Step 6: Final answer
    x = 2,761.34

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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.