Home / 4,102.17-6,154.31-1,180.70

Finding the Fourth Proportional to 4,102.17, 6,154.31 and 1,180.70

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Solution

The fourth proportional to 4,102.17, 6,154.31 and 1,180.70 is: 1,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.17 : 6,154.31 = 1,180.70 : x
  2. Step 2: Convert to fraction form
    4,102.17/6,154.31 = 1,180.70/x
  3. Step 3: Cross multiply
    4,102.17x = 6,154.31 × 1,180.70
  4. Step 4: Simplify right side
    4,102.17x = 7,266,389.08
  5. Step 5: Solve for x
    x = 7,266,389.08/4,102.17
  6. Step 6: Final answer
    x = 1,771.35

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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.