Home / 3,608.83-5,411.35-1,658.89

Finding the Fourth Proportional to 3,608.83, 5,411.35 and 1,658.89

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Solution

The fourth proportional to 3,608.83, 5,411.35 and 1,658.89 is: 2,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.83 : 5,411.35 = 1,658.89 : x
  2. Step 2: Convert to fraction form
    3,608.83/5,411.35 = 1,658.89/x
  3. Step 3: Cross multiply
    3,608.83x = 5,411.35 × 1,658.89
  4. Step 4: Simplify right side
    3,608.83x = 8,976,834.40
  5. Step 5: Solve for x
    x = 8,976,834.40/3,608.83
  6. Step 6: Final answer
    x = 2,487.46

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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.