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Finding the Fourth Proportional to 3,955, 5,460.18 and 3,025.24

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Solution

The fourth proportional to 3,955, 5,460.18 and 3,025.24 is: 4,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955 : 5,460.18 = 3,025.24 : x
  2. Step 2: Convert to fraction form
    3,955/5,460.18 = 3,025.24/x
  3. Step 3: Cross multiply
    3,955x = 5,460.18 × 3,025.24
  4. Step 4: Simplify right side
    3,955x = 16,518,354.94
  5. Step 5: Solve for x
    x = 16,518,354.94/3,955
  6. Step 6: Final answer
    x = 4,176.58

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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.