Home / 1,760.72-2,641.08-1,112.72

Finding the Fourth Proportional to 1,760.72, 2,641.08 and 1,112.72

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Solution

The fourth proportional to 1,760.72, 2,641.08 and 1,112.72 is: 1,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.72 : 2,641.08 = 1,112.72 : x
  2. Step 2: Convert to fraction form
    1,760.72/2,641.08 = 1,112.72/x
  3. Step 3: Cross multiply
    1,760.72x = 2,641.08 × 1,112.72
  4. Step 4: Simplify right side
    1,760.72x = 2,938,782.54
  5. Step 5: Solve for x
    x = 2,938,782.54/1,760.72
  6. Step 6: Final answer
    x = 1,669.08

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Double scale
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Similar ratio
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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.