Home / 1,559.66-2,151.06-1,372.74

Finding the Fourth Proportional to 1,559.66, 2,151.06 and 1,372.74

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Solution

The fourth proportional to 1,559.66, 2,151.06 and 1,372.74 is: 1,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.66 : 2,151.06 = 1,372.74 : x
  2. Step 2: Convert to fraction form
    1,559.66/2,151.06 = 1,372.74/x
  3. Step 3: Cross multiply
    1,559.66x = 2,151.06 × 1,372.74
  4. Step 4: Simplify right side
    1,559.66x = 2,952,846.10
  5. Step 5: Solve for x
    x = 2,952,846.10/1,559.66
  6. Step 6: Final answer
    x = 1,893.27

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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.