Home / 1,647.40-2,273.18-1,058.73

Finding the Fourth Proportional to 1,647.40, 2,273.18 and 1,058.73

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Solution

The fourth proportional to 1,647.40, 2,273.18 and 1,058.73 is: 1,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.40 : 2,273.18 = 1,058.73 : x
  2. Step 2: Convert to fraction form
    1,647.40/2,273.18 = 1,058.73/x
  3. Step 3: Cross multiply
    1,647.40x = 2,273.18 × 1,058.73
  4. Step 4: Simplify right side
    1,647.40x = 2,406,683.86
  5. Step 5: Solve for x
    x = 2,406,683.86/1,647.40
  6. Step 6: Final answer
    x = 1,460.90

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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.