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Finding the Fourth Proportional to 3,641.10, 5,461.23 and 1,008.80

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Solution

The fourth proportional to 3,641.10, 5,461.23 and 1,008.80 is: 1,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.10 : 5,461.23 = 1,008.80 : x
  2. Step 2: Convert to fraction form
    3,641.10/5,461.23 = 1,008.80/x
  3. Step 3: Cross multiply
    3,641.10x = 5,461.23 × 1,008.80
  4. Step 4: Simplify right side
    3,641.10x = 5,509,288.82
  5. Step 5: Solve for x
    x = 5,509,288.82/3,641.10
  6. Step 6: Final answer
    x = 1,513.08

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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.