Home / 1,270.20-1,902.96-1,066.08

Finding the Fourth Proportional to 1,270.20, 1,902.96 and 1,066.08

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Solution

The fourth proportional to 1,270.20, 1,902.96 and 1,066.08 is: 1,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.20 : 1,902.96 = 1,066.08 : x
  2. Step 2: Convert to fraction form
    1,270.20/1,902.96 = 1,066.08/x
  3. Step 3: Cross multiply
    1,270.20x = 1,902.96 × 1,066.08
  4. Step 4: Simplify right side
    1,270.20x = 2,028,707.60
  5. Step 5: Solve for x
    x = 2,028,707.60/1,270.20
  6. Step 6: Final answer
    x = 1,597.16

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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.