Home / 1,862.76-2,789.82-1,654.32

Finding the Fourth Proportional to 1,862.76, 2,789.82 and 1,654.32

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Solution

The fourth proportional to 1,862.76, 2,789.82 and 1,654.32 is: 2,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.76 : 2,789.82 = 1,654.32 : x
  2. Step 2: Convert to fraction form
    1,862.76/2,789.82 = 1,654.32/x
  3. Step 3: Cross multiply
    1,862.76x = 2,789.82 × 1,654.32
  4. Step 4: Simplify right side
    1,862.76x = 4,615,255.02
  5. Step 5: Solve for x
    x = 4,615,255.02/1,862.76
  6. Step 6: Final answer
    x = 2,477.64

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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.