Home / 3,088.34-4,260.85-1,761.09

Finding the Fourth Proportional to 3,088.34, 4,260.85 and 1,761.09

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Solution

The fourth proportional to 3,088.34, 4,260.85 and 1,761.09 is: 2,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.34 : 4,260.85 = 1,761.09 : x
  2. Step 2: Convert to fraction form
    3,088.34/4,260.85 = 1,761.09/x
  3. Step 3: Cross multiply
    3,088.34x = 4,260.85 × 1,761.09
  4. Step 4: Simplify right side
    3,088.34x = 7,503,729.85
  5. Step 5: Solve for x
    x = 7,503,729.85/3,088.34
  6. Step 6: Final answer
    x = 2,429.70

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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.