Home / 2,559.53-3,840.44-1,242.56

Finding the Fourth Proportional to 2,559.53, 3,840.44 and 1,242.56

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Solution

The fourth proportional to 2,559.53, 3,840.44 and 1,242.56 is: 1,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.53 : 3,840.44 = 1,242.56 : x
  2. Step 2: Convert to fraction form
    2,559.53/3,840.44 = 1,242.56/x
  3. Step 3: Cross multiply
    2,559.53x = 3,840.44 × 1,242.56
  4. Step 4: Simplify right side
    2,559.53x = 4,771,951.71
  5. Step 5: Solve for x
    x = 4,771,951.71/2,559.53
  6. Step 6: Final answer
    x = 1,864.39

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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.