Home / 1,559.95-2,151.92-1,055.82

Finding the Fourth Proportional to 1,559.95, 2,151.92 and 1,055.82

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Solution

The fourth proportional to 1,559.95, 2,151.92 and 1,055.82 is: 1,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.95 : 2,151.92 = 1,055.82 : x
  2. Step 2: Convert to fraction form
    1,559.95/2,151.92 = 1,055.82/x
  3. Step 3: Cross multiply
    1,559.95x = 2,151.92 × 1,055.82
  4. Step 4: Simplify right side
    1,559.95x = 2,272,028.30
  5. Step 5: Solve for x
    x = 2,272,028.30/1,559.95
  6. Step 6: Final answer
    x = 1,456.48

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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.