Home / 3,062.64-4,226.44-1,665.40

Finding the Fourth Proportional to 3,062.64, 4,226.44 and 1,665.40

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Solution

The fourth proportional to 3,062.64, 4,226.44 and 1,665.40 is: 2,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.64 : 4,226.44 = 1,665.40 : x
  2. Step 2: Convert to fraction form
    3,062.64/4,226.44 = 1,665.40/x
  3. Step 3: Cross multiply
    3,062.64x = 4,226.44 × 1,665.40
  4. Step 4: Simplify right side
    3,062.64x = 7,038,713.18
  5. Step 5: Solve for x
    x = 7,038,713.18/3,062.64
  6. Step 6: Final answer
    x = 2,298.25

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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.