Home / 3,089.70-4,634.55-1,707.30

Finding the Fourth Proportional to 3,089.70, 4,634.55 and 1,707.30

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Solution

The fourth proportional to 3,089.70, 4,634.55 and 1,707.30 is: 2,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.70 : 4,634.55 = 1,707.30 : x
  2. Step 2: Convert to fraction form
    3,089.70/4,634.55 = 1,707.30/x
  3. Step 3: Cross multiply
    3,089.70x = 4,634.55 × 1,707.30
  4. Step 4: Simplify right side
    3,089.70x = 7,912,567.22
  5. Step 5: Solve for x
    x = 7,912,567.22/3,089.70
  6. Step 6: Final answer
    x = 2,560.95

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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.