Home / 3,172.64-4,758.98-1,417.73

Finding the Fourth Proportional to 3,172.64, 4,758.98 and 1,417.73

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Solution

The fourth proportional to 3,172.64, 4,758.98 and 1,417.73 is: 2,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.64 : 4,758.98 = 1,417.73 : x
  2. Step 2: Convert to fraction form
    3,172.64/4,758.98 = 1,417.73/x
  3. Step 3: Cross multiply
    3,172.64x = 4,758.98 × 1,417.73
  4. Step 4: Simplify right side
    3,172.64x = 6,746,917.83
  5. Step 5: Solve for x
    x = 6,746,917.83/3,172.64
  6. Step 6: Final answer
    x = 2,126.60

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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.