Home / 3,561.70-5,337.95-1,708.96

Finding the Fourth Proportional to 3,561.70, 5,337.95 and 1,708.96

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Solution

The fourth proportional to 3,561.70, 5,337.95 and 1,708.96 is: 2,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.70 : 5,337.95 = 1,708.96 : x
  2. Step 2: Convert to fraction form
    3,561.70/5,337.95 = 1,708.96/x
  3. Step 3: Cross multiply
    3,561.70x = 5,337.95 × 1,708.96
  4. Step 4: Simplify right side
    3,561.70x = 9,122,343.03
  5. Step 5: Solve for x
    x = 9,122,343.03/3,561.70
  6. Step 6: Final answer
    x = 2,561.23

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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.