Home / 2,670.57-4,001.70-1,109.24

Finding the Fourth Proportional to 2,670.57, 4,001.70 and 1,109.24

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Solution

The fourth proportional to 2,670.57, 4,001.70 and 1,109.24 is: 1,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.57 : 4,001.70 = 1,109.24 : x
  2. Step 2: Convert to fraction form
    2,670.57/4,001.70 = 1,109.24/x
  3. Step 3: Cross multiply
    2,670.57x = 4,001.70 × 1,109.24
  4. Step 4: Simplify right side
    2,670.57x = 4,438,867.38
  5. Step 5: Solve for x
    x = 4,438,867.38/2,670.57
  6. Step 6: Final answer
    x = 1,662.14

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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.