Home / 1,558.74-2,334.87-1,296.30

Finding the Fourth Proportional to 1,558.74, 2,334.87 and 1,296.30

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Solution

The fourth proportional to 1,558.74, 2,334.87 and 1,296.30 is: 1,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.74 : 2,334.87 = 1,296.30 : x
  2. Step 2: Convert to fraction form
    1,558.74/2,334.87 = 1,296.30/x
  3. Step 3: Cross multiply
    1,558.74x = 2,334.87 × 1,296.30
  4. Step 4: Simplify right side
    1,558.74x = 3,026,691.98
  5. Step 5: Solve for x
    x = 3,026,691.98/1,558.74
  6. Step 6: Final answer
    x = 1,941.76

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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.