Home / 1,558.36-2,339.16-1,147.96

Finding the Fourth Proportional to 1,558.36, 2,339.16 and 1,147.96

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Solution

The fourth proportional to 1,558.36, 2,339.16 and 1,147.96 is: 1,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.36 : 2,339.16 = 1,147.96 : x
  2. Step 2: Convert to fraction form
    1,558.36/2,339.16 = 1,147.96/x
  3. Step 3: Cross multiply
    1,558.36x = 2,339.16 × 1,147.96
  4. Step 4: Simplify right side
    1,558.36x = 2,685,262.11
  5. Step 5: Solve for x
    x = 2,685,262.11/1,558.36
  6. Step 6: Final answer
    x = 1,723.13

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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.