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Finding the Fourth Proportional to 2,010.32, 3,014.80 and 899.03

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Solution

The fourth proportional to 2,010.32, 3,014.80 and 899.03 is: 1,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.32 : 3,014.80 = 899.03 : x
  2. Step 2: Convert to fraction form
    2,010.32/3,014.80 = 899.03/x
  3. Step 3: Cross multiply
    2,010.32x = 3,014.80 × 899.03
  4. Step 4: Simplify right side
    2,010.32x = 2,710,376.07
  5. Step 5: Solve for x
    x = 2,710,376.07/2,010.32
  6. Step 6: Final answer
    x = 1,348.23

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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.