Home / 3,070.38-4,605.63-1,222.35

Finding the Fourth Proportional to 3,070.38, 4,605.63 and 1,222.35

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Solution

The fourth proportional to 3,070.38, 4,605.63 and 1,222.35 is: 1,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.38 : 4,605.63 = 1,222.35 : x
  2. Step 2: Convert to fraction form
    3,070.38/4,605.63 = 1,222.35/x
  3. Step 3: Cross multiply
    3,070.38x = 4,605.63 × 1,222.35
  4. Step 4: Simplify right side
    3,070.38x = 5,629,691.83
  5. Step 5: Solve for x
    x = 5,629,691.83/3,070.38
  6. Step 6: Final answer
    x = 1,833.55

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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.