Home / 3,087.48-4,259.88-1,760.70

Finding the Fourth Proportional to 3,087.48, 4,259.88 and 1,760.70

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Solution

The fourth proportional to 3,087.48, 4,259.88 and 1,760.70 is: 2,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.48 : 4,259.88 = 1,760.70 : x
  2. Step 2: Convert to fraction form
    3,087.48/4,259.88 = 1,760.70/x
  3. Step 3: Cross multiply
    3,087.48x = 4,259.88 × 1,760.70
  4. Step 4: Simplify right side
    3,087.48x = 7,500,370.72
  5. Step 5: Solve for x
    x = 7,500,370.72/3,087.48
  6. Step 6: Final answer
    x = 2,429.29

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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.