Home / 3,087.60-4,260.45-1,761.03

Finding the Fourth Proportional to 3,087.60, 4,260.45 and 1,761.03

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Solution

The fourth proportional to 3,087.60, 4,260.45 and 1,761.03 is: 2,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.60 : 4,260.45 = 1,761.03 : x
  2. Step 2: Convert to fraction form
    3,087.60/4,260.45 = 1,761.03/x
  3. Step 3: Cross multiply
    3,087.60x = 4,260.45 × 1,761.03
  4. Step 4: Simplify right side
    3,087.60x = 7,502,780.26
  5. Step 5: Solve for x
    x = 7,502,780.26/3,087.60
  6. Step 6: Final answer
    x = 2,429.97

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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.