Home / 3,390.70-5,087.34-1,746.20

Finding the Fourth Proportional to 3,390.70, 5,087.34 and 1,746.20

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Solution

The fourth proportional to 3,390.70, 5,087.34 and 1,746.20 is: 2,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.70 : 5,087.34 = 1,746.20 : x
  2. Step 2: Convert to fraction form
    3,390.70/5,087.34 = 1,746.20/x
  3. Step 3: Cross multiply
    3,390.70x = 5,087.34 × 1,746.20
  4. Step 4: Simplify right side
    3,390.70x = 8,883,513.11
  5. Step 5: Solve for x
    x = 8,883,513.11/3,390.70
  6. Step 6: Final answer
    x = 2,619.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.