Home / 1,241.22-1,851.36-1,056.54

Finding the Fourth Proportional to 1,241.22, 1,851.36 and 1,056.54

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Solution

The fourth proportional to 1,241.22, 1,851.36 and 1,056.54 is: 1,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.22 : 1,851.36 = 1,056.54 : x
  2. Step 2: Convert to fraction form
    1,241.22/1,851.36 = 1,056.54/x
  3. Step 3: Cross multiply
    1,241.22x = 1,851.36 × 1,056.54
  4. Step 4: Simplify right side
    1,241.22x = 1,956,038.87
  5. Step 5: Solve for x
    x = 1,956,038.87/1,241.22
  6. Step 6: Final answer
    x = 1,575.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.