Home / 1,853.55-2,557.80-1,014.21

Finding the Fourth Proportional to 1,853.55, 2,557.80 and 1,014.21

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Solution

The fourth proportional to 1,853.55, 2,557.80 and 1,014.21 is: 1,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.55 : 2,557.80 = 1,014.21 : x
  2. Step 2: Convert to fraction form
    1,853.55/2,557.80 = 1,014.21/x
  3. Step 3: Cross multiply
    1,853.55x = 2,557.80 × 1,014.21
  4. Step 4: Simplify right side
    1,853.55x = 2,594,146.34
  5. Step 5: Solve for x
    x = 2,594,146.34/1,853.55
  6. Step 6: Final answer
    x = 1,399.56

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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.