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Finding the Fourth Proportional to 3,641.42, 5,460.74 and 1,175.87

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Solution

The fourth proportional to 3,641.42, 5,460.74 and 1,175.87 is: 1,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.42 : 5,460.74 = 1,175.87 : x
  2. Step 2: Convert to fraction form
    3,641.42/5,460.74 = 1,175.87/x
  3. Step 3: Cross multiply
    3,641.42x = 5,460.74 × 1,175.87
  4. Step 4: Simplify right side
    3,641.42x = 6,421,120.34
  5. Step 5: Solve for x
    x = 6,421,120.34/3,641.42
  6. Step 6: Final answer
    x = 1,763.36

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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.