Home / 3,573.42-5,360.90-1,818.68

Finding the Fourth Proportional to 3,573.42, 5,360.90 and 1,818.68

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Solution

The fourth proportional to 3,573.42, 5,360.90 and 1,818.68 is: 2,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.42 : 5,360.90 = 1,818.68 : x
  2. Step 2: Convert to fraction form
    3,573.42/5,360.90 = 1,818.68/x
  3. Step 3: Cross multiply
    3,573.42x = 5,360.90 × 1,818.68
  4. Step 4: Simplify right side
    3,573.42x = 9,749,761.61
  5. Step 5: Solve for x
    x = 9,749,761.61/3,573.42
  6. Step 6: Final answer
    x = 2,728.41

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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.