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Finding the Fourth Proportional to 2,170, 2,997.03 and 1,470.16

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Solution

The fourth proportional to 2,170, 2,997.03 and 1,470.16 is: 2,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170 : 2,997.03 = 1,470.16 : x
  2. Step 2: Convert to fraction form
    2,170/2,997.03 = 1,470.16/x
  3. Step 3: Cross multiply
    2,170x = 2,997.03 × 1,470.16
  4. Step 4: Simplify right side
    2,170x = 4,406,113.62
  5. Step 5: Solve for x
    x = 4,406,113.62/2,170
  6. Step 6: Final answer
    x = 2,030.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.