Home / 4,268.16-6,402.78-1,671.30

Finding the Fourth Proportional to 4,268.16, 6,402.78 and 1,671.30

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Solution

The fourth proportional to 4,268.16, 6,402.78 and 1,671.30 is: 2,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.16 : 6,402.78 = 1,671.30 : x
  2. Step 2: Convert to fraction form
    4,268.16/6,402.78 = 1,671.30/x
  3. Step 3: Cross multiply
    4,268.16x = 6,402.78 × 1,671.30
  4. Step 4: Simplify right side
    4,268.16x = 10,700,966.21
  5. Step 5: Solve for x
    x = 10,700,966.21/4,268.16
  6. Step 6: Final answer
    x = 2,507.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.