Home / 3,087.53-4,260.89-1,761.02

Finding the Fourth Proportional to 3,087.53, 4,260.89 and 1,761.02

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Solution

The fourth proportional to 3,087.53, 4,260.89 and 1,761.02 is: 2,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.53 : 4,260.89 = 1,761.02 : x
  2. Step 2: Convert to fraction form
    3,087.53/4,260.89 = 1,761.02/x
  3. Step 3: Cross multiply
    3,087.53x = 4,260.89 × 1,761.02
  4. Step 4: Simplify right side
    3,087.53x = 7,503,495.61
  5. Step 5: Solve for x
    x = 7,503,495.61/3,087.53
  6. Step 6: Final answer
    x = 2,430.26

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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.