Home / 3,259.32-4,490.27-2,666.40

Finding the Fourth Proportional to 3,259.32, 4,490.27 and 2,666.40

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Solution

The fourth proportional to 3,259.32, 4,490.27 and 2,666.40 is: 3,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.32 : 4,490.27 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    3,259.32/4,490.27 = 2,666.40/x
  3. Step 3: Cross multiply
    3,259.32x = 4,490.27 × 2,666.40
  4. Step 4: Simplify right side
    3,259.32x = 11,972,842.60
  5. Step 5: Solve for x
    x = 11,972,842.60/3,259.32
  6. Step 6: Final answer
    x = 3,673.42

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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.