Home / 1,559.42-2,342.01-1,236.86

Finding the Fourth Proportional to 1,559.42, 2,342.01 and 1,236.86

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Solution

The fourth proportional to 1,559.42, 2,342.01 and 1,236.86 is: 1,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.42 : 2,342.01 = 1,236.86 : x
  2. Step 2: Convert to fraction form
    1,559.42/2,342.01 = 1,236.86/x
  3. Step 3: Cross multiply
    1,559.42x = 2,342.01 × 1,236.86
  4. Step 4: Simplify right side
    1,559.42x = 2,896,738.49
  5. Step 5: Solve for x
    x = 2,896,738.49/1,559.42
  6. Step 6: Final answer
    x = 1,857.57

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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.