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Finding the Fourth Proportional to 2,010.14, 3,015.21 and 549.31

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Solution

The fourth proportional to 2,010.14, 3,015.21 and 549.31 is: 823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.14 : 3,015.21 = 549.31 : x
  2. Step 2: Convert to fraction form
    2,010.14/3,015.21 = 549.31/x
  3. Step 3: Cross multiply
    2,010.14x = 3,015.21 × 549.31
  4. Step 4: Simplify right side
    2,010.14x = 1,656,279.53
  5. Step 5: Solve for x
    x = 1,656,279.53/2,010.14
  6. Step 6: Final answer
    x = 823.96

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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.