Home / 1,853.42-2,557.94-1,057.02

Finding the Fourth Proportional to 1,853.42, 2,557.94 and 1,057.02

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Solution

The fourth proportional to 1,853.42, 2,557.94 and 1,057.02 is: 1,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.42 : 2,557.94 = 1,057.02 : x
  2. Step 2: Convert to fraction form
    1,853.42/2,557.94 = 1,057.02/x
  3. Step 3: Cross multiply
    1,853.42x = 2,557.94 × 1,057.02
  4. Step 4: Simplify right side
    1,853.42x = 2,703,793.74
  5. Step 5: Solve for x
    x = 2,703,793.74/1,853.42
  6. Step 6: Final answer
    x = 1,458.81

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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.