Home / 3,219.15-4,830.33-1,575.66

Finding the Fourth Proportional to 3,219.15, 4,830.33 and 1,575.66

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Solution

The fourth proportional to 3,219.15, 4,830.33 and 1,575.66 is: 2,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.15 : 4,830.33 = 1,575.66 : x
  2. Step 2: Convert to fraction form
    3,219.15/4,830.33 = 1,575.66/x
  3. Step 3: Cross multiply
    3,219.15x = 4,830.33 × 1,575.66
  4. Step 4: Simplify right side
    3,219.15x = 7,610,957.77
  5. Step 5: Solve for x
    x = 7,610,957.77/3,219.15
  6. Step 6: Final answer
    x = 2,364.28

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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.