Home / 1,648.56-2,273.96-1,151.01

Finding the Fourth Proportional to 1,648.56, 2,273.96 and 1,151.01

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Solution

The fourth proportional to 1,648.56, 2,273.96 and 1,151.01 is: 1,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.56 : 2,273.96 = 1,151.01 : x
  2. Step 2: Convert to fraction form
    1,648.56/2,273.96 = 1,151.01/x
  3. Step 3: Cross multiply
    1,648.56x = 2,273.96 × 1,151.01
  4. Step 4: Simplify right side
    1,648.56x = 2,617,350.70
  5. Step 5: Solve for x
    x = 2,617,350.70/1,648.56
  6. Step 6: Final answer
    x = 1,587.66

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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.