Home / 3,118.03-4,677.02-926.73

Finding the Fourth Proportional to 3,118.03, 4,677.02 and 926.73

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Solution

The fourth proportional to 3,118.03, 4,677.02 and 926.73 is: 1,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.03 : 4,677.02 = 926.73 : x
  2. Step 2: Convert to fraction form
    3,118.03/4,677.02 = 926.73/x
  3. Step 3: Cross multiply
    3,118.03x = 4,677.02 × 926.73
  4. Step 4: Simplify right side
    3,118.03x = 4,334,334.74
  5. Step 5: Solve for x
    x = 4,334,334.74/3,118.03
  6. Step 6: Final answer
    x = 1,390.09

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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.