Home / 3,118.34-4,307.04-2,277.71

Finding the Fourth Proportional to 3,118.34, 4,307.04 and 2,277.71

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Solution

The fourth proportional to 3,118.34, 4,307.04 and 2,277.71 is: 3,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.34 : 4,307.04 = 2,277.71 : x
  2. Step 2: Convert to fraction form
    3,118.34/4,307.04 = 2,277.71/x
  3. Step 3: Cross multiply
    3,118.34x = 4,307.04 × 2,277.71
  4. Step 4: Simplify right side
    3,118.34x = 9,810,188.08
  5. Step 5: Solve for x
    x = 9,810,188.08/3,118.34
  6. Step 6: Final answer
    x = 3,145.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.