Home / 1,858.08-2,787.47-1,514.43

Finding the Fourth Proportional to 1,858.08, 2,787.47 and 1,514.43

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Solution

The fourth proportional to 1,858.08, 2,787.47 and 1,514.43 is: 2,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.08 : 2,787.47 = 1,514.43 : x
  2. Step 2: Convert to fraction form
    1,858.08/2,787.47 = 1,514.43/x
  3. Step 3: Cross multiply
    1,858.08x = 2,787.47 × 1,514.43
  4. Step 4: Simplify right side
    1,858.08x = 4,221,415.60
  5. Step 5: Solve for x
    x = 4,221,415.60/1,858.08
  6. Step 6: Final answer
    x = 2,271.92

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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.