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Finding the Fourth Proportional to 2,008.26, 3,012.98 and 854.10

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Solution

The fourth proportional to 2,008.26, 3,012.98 and 854.10 is: 1,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.26 : 3,012.98 = 854.10 : x
  2. Step 2: Convert to fraction form
    2,008.26/3,012.98 = 854.10/x
  3. Step 3: Cross multiply
    2,008.26x = 3,012.98 × 854.10
  4. Step 4: Simplify right side
    2,008.26x = 2,573,386.22
  5. Step 5: Solve for x
    x = 2,573,386.22/2,008.26
  6. Step 6: Final answer
    x = 1,281.40

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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.