Home / 1,493.74-2,241.35-1,057.80

Finding the Fourth Proportional to 1,493.74, 2,241.35 and 1,057.80

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Solution

The fourth proportional to 1,493.74, 2,241.35 and 1,057.80 is: 1,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.74 : 2,241.35 = 1,057.80 : x
  2. Step 2: Convert to fraction form
    1,493.74/2,241.35 = 1,057.80/x
  3. Step 3: Cross multiply
    1,493.74x = 2,241.35 × 1,057.80
  4. Step 4: Simplify right side
    1,493.74x = 2,370,903.78
  5. Step 5: Solve for x
    x = 2,370,903.78/1,493.74
  6. Step 6: Final answer
    x = 1,587.22

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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.