Home / 3,259.57-4,490.61-2,666.65

Finding the Fourth Proportional to 3,259.57, 4,490.61 and 2,666.65

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Solution

The fourth proportional to 3,259.57, 4,490.61 and 2,666.65 is: 3,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.57 : 4,490.61 = 2,666.65 : x
  2. Step 2: Convert to fraction form
    3,259.57/4,490.61 = 2,666.65/x
  3. Step 3: Cross multiply
    3,259.57x = 4,490.61 × 2,666.65
  4. Step 4: Simplify right side
    3,259.57x = 11,974,885.16
  5. Step 5: Solve for x
    x = 11,974,885.16/3,259.57
  6. Step 6: Final answer
    x = 3,673.76

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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.