Home / 1,853.85-2,558.56-1,057.46

Finding the Fourth Proportional to 1,853.85, 2,558.56 and 1,057.46

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Solution

The fourth proportional to 1,853.85, 2,558.56 and 1,057.46 is: 1,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.85 : 2,558.56 = 1,057.46 : x
  2. Step 2: Convert to fraction form
    1,853.85/2,558.56 = 1,057.46/x
  3. Step 3: Cross multiply
    1,853.85x = 2,558.56 × 1,057.46
  4. Step 4: Simplify right side
    1,853.85x = 2,705,578.61
  5. Step 5: Solve for x
    x = 2,705,578.61/1,853.85
  6. Step 6: Final answer
    x = 1,459.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.