Home / 2,820.17-4,230.30-1,658.33

Finding the Fourth Proportional to 2,820.17, 4,230.30 and 1,658.33

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Solution

The fourth proportional to 2,820.17, 4,230.30 and 1,658.33 is: 2,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.17 : 4,230.30 = 1,658.33 : x
  2. Step 2: Convert to fraction form
    2,820.17/4,230.30 = 1,658.33/x
  3. Step 3: Cross multiply
    2,820.17x = 4,230.30 × 1,658.33
  4. Step 4: Simplify right side
    2,820.17x = 7,015,212.25
  5. Step 5: Solve for x
    x = 7,015,212.25/2,820.17
  6. Step 6: Final answer
    x = 2,487.52

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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.